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Background Commercial surrogacy is a highly controversial issue that leads to heated debates in the feminist literature, especially when surrogacy takes place in developing countries and when it is performed by local women for wealthy international individuals. The objective of this article is to confront common assumptions with the narratives and experiences described by Indian surrogates themselves. Methods This qualitative study included 33 surrogates interviewed in India (Mumbai, Chennai and New Delhi) who were at different stages of the surrogacy process. They were recruited through five clinics and agencies. This 2-year field study was conducted before the 2018 surrogacy law. Results Surrogates met the criteria fixed by the national guidelines in terms of age and marital and family situation. The commitment to surrogacy had generally been decided with the husband. Its aim was above all to improve the socioeconomic condition of the family. Women described surrogacy as offering better conditions than their previous paid activity. They had clear views on the child and their work. However, they declared that they faced difficulties and social condemnation as surrogacy is associated with extra-marital relationships. They also described a medical process in which they had no autonomy although they did not express complaints. Overall, surrogates did not portray themselves as vulnerable women and victims, but rather as mothers and spouses taking control of their destiny. Conclusions The reality of surrogacy in India embraces antagonistic features that we analyze in this paper as “paradoxes”. First, while women have become surrogates in response to gender constraints as mothers and wives, yet in so doing they have gone against gender norms. Secondly, while surrogacy was socially perceived as dirty work undertaken in order to survive, surrogates used surrogacy as a means to upward mobility for themselves and their children. Finally, while surrogacy was organized to counteract accusations of exploitation, surrogates were under constant domination by the medical system and had no decision-making power in the surrogacy process. This echoes their daily life as women. Although the Indian legal framework has changed, surrogacy still challenges gender norms, particularly in other developing countries where the practice is emerging.

International audience; Genome data, with underlying new knowledge, are accumulating at exponential rate thanks to ever-improving sequencing technologies and the parallel development of dedicated efficient Bioinformatics methods and tools. Advanced Education in Bioinformatics and Genome Analyses is to a large extent not accessible to students in developing countries where endeavors to set up Bioinformatics courses concern most often only basic levels. Here, we report a pioneering pilot experience concerning the design and implementation, from scratch, of a three-months advanced and extensive course in Bioinformatics and Genome Analyses in the Institut Pasteur de Tunis. Most significantly the outcome of the course was upgrading the participants’ skills in Bioinformatics and Genome Analyses to recognized international standards. Here we detail the different steps involved in the implementation of this course as well as the topics covered in the program. The description of this pilot experience might be helpful for the implementation of other similar educational projects, notably in developing countries, aiming to go beyond basics and providing young researchers with high-level skills.

We compared extended-spectrum β-lactamase-producing Escherichia coli isolates from meat and fish, gut-colonized women, and infected patients in Cambodia. Nearly half of isolates from women were phylogenetically related to food-origin isolates; a subset had identical multilocus sequence types, extended-spectrum β-lactamase types, and antimicrobial resistance patterns. Eating sun-dried poultry may be an exposure route. ispartof: EMERGING INFECTIOUS DISEASES vol:25 issue:1 pages:126-131 ispartof: location:United States status: published

International audience; Background: Antibiotic resistance is growing in low-income countries (LICs). Children in LICs are particularly at risk. Information on antibiotic consumption is needed to control the development and spread of resistant bacteria. Methods: To measure antibiotic consumption and related factors, a community survey was undertaken in two sites in Madagascar (Antananarivo and Moramanga) and in Senegal (Guediawaye) among children under 2. Face-to-face interviews were conducted with parents or caregivers of eligible children. Regression analysis was used to determine variables associated with reported antibiotic consumption. Availability of health structures and health policies were also investigated. Results: Population estimates for antibiotic consumption in the last 3 months were 37.2% (95% CI 33.4%–41.2%) in Guediawaye, 29.3% (95% CI 25.0%–34.1%) in Antananarivo and 24.6% (95% CI 20.6%–29.1%) in Moramanga. In all sites, the large majority of antibiotics were taken with a prescription (92.2%, 87.0% and 92.0% for Antananarivo, Moramanga and Guediawaye, respectively) and purchased in pharmacies (89.4%, 73.5% and 78.5%, respectively). Living in houses without flushing toilets and baby age were significantly associated with any antibiotic consumption after adjusting for site. A higher density of public health structures was associated with lower antibiotic consumption levels, while a higher density of private pharmacies was associated with higher levels across sites. Conclusions: These data are crucial for the implementation of local programmes aimed at optimizing antibiotic consumption. Factors such as density of healthcare facilities, prescriber training and national policy must be taken into account when developing strategies to optimize antibiotic consumption in LICs.

International audience; Although limited publications address clinical management of symptomatic patients with rabies in intensive care units, the overwhelming majority of human rabies cases occur in the rural setting of developing countries where healthcare workers are few, lack training and drugs. Based on our experience, we suggest how clinicians in resource-limited settings can make best use of essential drugs to provide assistance to patients with rabies and their families, at no risk to themselves. Comprehensive and compassionate patient management of furious rabies should aim to alleviate thirst, anxiety and epileptic fits using infusions, diazepam or midazolam and antipyretic drugs via intravenous or intrarectal routes. Although the patient is dying, respiratory failure must be avoided especially if the family, after being informed, wish to take the patient home alive for funereal rites to be observed. Healthcare staff should be trained and clinical guidelines should be updated to include palliative care for rabies in endemic countries.

International audience; Up-to-date evidence about levels and trends in disease and injury incidence, prevalence, and years lived with disability (YLDs) is an essential input into global, regional, and national health policies. In the Global Burden of Disease Study 2013 (GBD 2013), we estimated these quantities for acute and chronic diseases and injuries for 188 countries between 1990 and 2013. Estimates were calculated for disease and injury incidence, prevalence, and YLDs using GBD 2010 methods with some important refinements. Results for incidence of acute disorders and prevalence of chronic disorders are new additions to the analysis. Key improvements include expansion to the cause and sequelae list, updated systematic reviews, use of detailed injury codes, improvements to the Bayesian meta-regression method (DisMod-MR), and use of severity splits for various causes. An index of data representativeness, showing data availability, was calculated for each cause and impairment during three periods globally and at the country level for 2013. In total, 35 620 distinct sources of data were used and documented to calculated estimates for 301 diseases and injuries and 2337 sequelae. The comorbidity simulation provides estimates for the number of sequelae, concurrently, by individuals by country, year, age, and sex. Disability weights were updated with the addition of new population-based survey data from four countries. Disease and injury were highly prevalent; only a small fraction of individuals had no sequelae. Comorbidity rose substantially with age and in absolute terms from 1990 to 2013. Incidence of acute sequelae were predominantly infectious diseases and short-term injuries, with over 2 billion cases of upper respiratory infections and diarrhoeal disease episodes in 2013, with the notable exception of tooth pain due to permanent caries with more than 200 million incident cases in 2013. Conversely, leading chronic sequelae were largely attributable to non-communicable diseases, with prevalence estimates for asymptomatic permanent caries and tension-type headache of 2·4 billion and 1·6 billion, respectively. The distribution of the number of sequelae in populations varied widely across regions, with an expected relation between age and disease prevalence. YLDs for both sexes increased from 537·6 million in 1990 to 764·8 million in 2013 due to population growth and ageing, whereas the age-standardised rate decreased little from 114·87 per 1000 people to 110·31 per 1000 people between 1990 and 2013. Leading causes of YLDs included low back pain and major depressive disorder among the top ten causes of YLDs in every country. YLD rates per person, by major cause groups, indicated the main drivers of increases were due to musculoskeletal, mental, and substance use disorders, neurological disorders, and chronic respiratory diseases; however HIV/AIDS was a notable driver of increasing YLDs in sub-Saharan Africa. Also, the proportion of disability-adjusted life years due to YLDs increased globally from 21·1% in 1990 to 31·2% in 2013. Ageing of the world's population is leading to a substantial increase in the numbers of individuals with sequelae of diseases and injuries. Rates of YLDs are declining much more slowly than mortality rates. The non-fatal dimensions of disease and injury will require more and more attention from health systems. The transition to non-fatal outcomes as the dominant source of burden of disease is occurring rapidly outside of sub-Saharan Africa. Our results can guide future health initiatives through examination of epidemiological trends and a better understanding of variation across countries. Bill & Melinda Gates Foundation.

It is difficult to deliver adequate training for people working in rabies control in low and middle-income countries. Popular e-learning systems for low-income settings are not well suited to developing and testing practical skills, including laboratory methods.We customized training in rabies control methods for African professionals and students from different disciplines. Trainees participated in preparatory online sessions, evaluations and exercises before and after a 12-day workshop. Trainees and mentors continued to interact through an online forum up to one year after the workshop.In Africa, 15,000 deaths from rabies occur each year due to a lack of awareness, inaccessibility of post-exposure prophylaxis, inadequate or absent canine rabies-control programmes and lack of governmental financial support.Thirty two trainees - working in health departments, hospitals, veterinary stations and research institutes - were selected to participate; 28 completed the course and passed the final evaluation. Pilot rabies investigation programmes were developed, and two manuscripts submitted for publication. An online forum facilitated further progress for a year after the workshop.A combination of customized online and onsite training is suitable for teaching disease-control personnel in low-income countries. Participation in this course enabled trainees to advocate for the development of national disease-control strategies. Mentoring is needed to develop a strong network of experts in similar settings.Il est difficile de dispenser une formation appropriée aux personnes intervenant dans la lutte contre la rage dans les pays à revenu faible et intermédiaire. Les systèmes populaires d'apprentissage en ligne conçus pour les pays à faible revenu ne sont pas adaptés au développement et au test des compétences pratiques, notamment en ce qui concerne les méthodes analytiques.Nous avons adapté la formation sur les méthodes de lutte contre la rage à l'intention de professionnels et d'étudiants africains issus de différentes disciplines. Les bénéficiaires de la formation ont participé à des séances de préparation en ligne, à des évaluations et à des exercices, avant et après un atelier de 12 jours. Puis, les bénéficiaires de la formation et les tuteurs ont continué à interagir jusqu'à un an après l'atelier via un forum accessible en ligne.En Afrique, 15.000 décès dus à la rage surviennent chaque année. Cette situation vient d'un manque de sensibilisation, de l'inaccessibilité des traitements de prophylaxie post-exposition, de programmes de lutte contre la rage canine inappropriés voire inexistants et d'un manque de soutien financier gouvernemental.Trente-deux bénéficiaires de la formation (qui travaillent dans des services de santé, des hôpitaux, des centres vétérinaires ou des instituts de recherche) ont été sélectionnés pour la formation ; vingt-huit l'ont achevée et ont passé avec succès l'évaluation finale. Des programmes pilotes d'enquête sur la rage ont été élaborés et deux manuscrits ont été soumis pour publication. Un forum en ligne a facilité la poursuite des progrès pendant l'année qui a suivi l'atelier.L'association de modules proposés en ligne et sur place est adaptée à la formation du personnel de lutte contre la maladie dans les pays à faible revenu. La participation à cette formation a permis à ses bénéficiaires de plaider pour l'élaboration de stratégies nationales de lutte contre la maladie. Un tutorat est nécessaire pour constituer un solide réseau d'experts dans des contextes similaires.Es difícil proporcionar una formación adecuada a aquellos que trabajan en el control de la rabia en países de ingresos bajos y medios. Los populares sistemas de aprendizaje en línea en comunidades de ingresos bajos no son adecuados para desarrollar y poner a prueba las habilidades prácticas, incluidos los métodos de laboratorio.Se personalizó la formación en los métodos de control de la rabia para los profesionales y estudiantes africanos de diferentes disciplinas. Los alumnos participaron en sesiones preparatorias, evaluaciones y ejercicios en línea antes y después de un taller de 12 días. Los alumnos y los profesores siguieron interactuando a través de un foro en línea hasta un año después del taller.En África, hay 15.000 muertes de rabia cada año debidas a la falta de concienciación, la inaccesibilidad de la profilaxis postexposición, los programas inadecuados o ausentes de control de la rabia canina y la falta de apoyo financiero del gobierno.Treinta y dos alumnos que trabajan en departamentos de salud, hospitales, clínicas veterinarias e institutos de investigación fueron seleccionados para participar. 28 de ellos completaron el curso y aprobaron la evaluación final. Se desarrollaron programas piloto de investigación de la rabia y se presentaron 2 manuscritos para su publicación. Gracias al foro en línea, se pudo seguir progresando hasta un año después del taller.La combinación de la formación en línea y presencial es adecuada para enseñar al personal de control de enfermedades en países de ingresos bajos. La participación en este curso permitió a los alumnos promocionar el desarrollo de estrategias nacionales de control de enfermedades. La tutoría es necesaria para desarrollar una sólida red de expertos en marcos similares.يصعب تقديم التدريب الكافي للعاملين في مكافحة داء الكَلَب في البلدان منخفضة ومتوسطة الدخل. ولا تُعد نظم التعليم الإلكتروني الشعبية للمواقع منخفضة الدخل مناسبة تمامًا لتطوير واختبار المهارات العملية، بما في ذلك الأساليب المختبرية.لقد قمنا بتخصيص تدريبات في أساليب مكافحة داء الكَلَب للمختصين الأفارقة والطلبة من مختلف الاختصاصات. وشارك المتدربون في الجلسات والتقييمات والتمارين التحضيرية المباشرة على شبكة الإنترنت، قبل وبعد إجراء حلقة عمل لمدةفي أفريقيا، تحدثتم اختيار اثنان وثلاثين متدربًا – يعملون في الأقسام والإدارات الصحية، والمستشفيات، والمحطات البيطرية، ومعاهد الأبحاث – للمشاركة؛ وقد قاممن المناسب الجمع بين التدريبات المباشرة على الإنترنت والتدريبات الميدانية في الموقع لتعليم العاملين المختصين بمكافحة الأمراض في البلدان منخفضة الدخل. كان للمشاركة في هذه الدورة التدريبية أثر في تمكين المتدربين من الدعوة إلى إعداد استراتيجيات وطنية لمكافحة الأمراض. وهناك حاجة إلى التوجيه لإعداد شبكة قوية من الخبراء في بيئات مشابهة.在中低收入国家中难以为从事狂犬病控制的人员提供合适的培训。低收入环境中普及的电子学习系统不太适于开发并测试实践技能，包括化验方法。.我们针对不同学科的非洲专业人员和学生开展了关于狂犬病控制方法的定制化培训。受训人员在为期 12 天的研讨会前后参与了预备在线课程、评估和练习。受训人员和导师在研讨会结束后继续通过在线论坛进行了长达一年的互动交流。.在非洲，每年有 15 000 人死于狂犬病，这是因为缺乏意识、无法在接触后采取预防措施、狂犬病控制计划的制定不充分或没有制定，以及政府财政支持不足。.选出 32 名就职于卫生部门、医院、兽医站和研究所的受训人员参与培训，其中有 28 名完成了课程并通过了最终评估。制定出试行的狂犬病调查计划，并提交了 2 份原稿用于出版。研讨会结束后，在线论坛进一步推动了为期一年的进展。.定制化的在线和现场培训相结合，适合用于教导低收入国家的疾病控制人员。参与此项课程有助于让受训人员拥护国家疾病控制策略的发展。在相似的环境中，需要在指导下开发强大的专家网络。.В странах с низким и средним уровнем доходов населения трудно обеспечить адекватное обучение специалистов по контролю распространения бешенства. Популярные системы электронного обучения для стран с низким уровнем дохода плохо подходят для развития и проверки практических навыков, включая знания лабораторных методов контроля.Обучение методам контроля распространения бешенства было адаптировано для африканских специалистов и студентов различных дисциплин. Обучаемые проходили 12-дневный практический курс. Перед курсом и после него проводились подготовительные занятия, тестирование и практические занятия в режиме онлайн. Обучаемые и кураторы продолжали взаимодействие через онлайн-форум на протяжении одного года после окончания курса.В Африке от бешенства ежегодно умирает 15 000 человек. Причиной тому является слабая информированность населения, недоступность постконтактной профилактики, неэффективность или отсутствие программ контроля распространения бешенства среди собак и отсутствие финансовой поддержки от государства.Для участия в курсе были отобраны 32 сотрудника из департаментов здравоохранения, больниц, ветеринарных станций и исследовательских институтов; 28 человек окончили курс и прошли окончательное тестирование. Были разработаны пилотные программы по исследованию бешенства, и две рукописи были сданы в печать. Онлайн-форум способствовал дальнейшему обучению участников на протяжении одного года после окончания курса.Для обучения специалистов по контролю распространения заболеваний в странах с низким уровнем дохода населения подходит сочетание индивидуализированного обучения онлайн и на местах. Участие в данном курсе позволило обучаемым выступить в поддержку разработки национальных стратегий по контролю распространения заболеваний. Для создания сети высококвалифицированных специалистов в подобных условиях необходимо организовать эффективный процесс наставничества.

Background Evidence-based public health requires that research provides policymakers with reliable and accessible information reflecting the disease threats. We described the scientific production of research in Cambodia and assessed to what extent it provides appropriate insights and implications for practice to guide health policymakers and managers and knowledge relevant for translation. Methods We conducted a systematic review of scientific articles published on biomedical research in Cambodia. Regression analysis assessed the trends over time and factors associated with actionable messages in the articles’ abstracts. Results From 2000 to 2012, 628 articles were published in 237 journals with a significant increase over time (from 0.6/million population to 5.9/million population, slope coefficient 7.6, 95% CI 6.5–8.7, p

International audience; Developing countries, including Egypt and North African countries, need to improve their quality of research by enhancing international cooperation and exchanges of scientific information, as well as competing for obtaining international funds to support research activities. Research must comply with laws and other requirements for research that involves human subjects. The purpose of this article is to overview the status of health research ethics in Egypt and North African countries, with reference to other Middle Eastern countries. The EU and North African Migrants: Health and Health Systems project (EUNAM) has supported the revision of the status of health research ethics in Egypt and North African countries, by holding meetings and discussions to collect information about research ethics committees in Egypt, and revising the structure and guidelines of the committees, as well as reviewing the literature concerning ethics activities in the concerned countries. This overview has revealed that noticeable efforts have been made to regulate research ethics in certain countries in the Middle East. This can be seen in the new regulations, which contain the majority of protections mentioned in the international guidelines related to research ethics. For most of the internationally registered research ethics committees in North African countries, the composition and functionality reflect the international guidelines. There is growing awareness of research ethics in these countries, which extends to teaching efforts to undergraduate and postgraduate medical students.

International audience; BACKGROUND:The process and effectiveness of knowledge translation (KT) interventions targeting policymakers are rarely reported. In Cambodia, a low-income country (LIC), an intervention aiming to provide evidence-based knowledge on pneumonia to health authorities was developed to help update pediatric and adult national clinical guidelines. Through a case study, we assessed the effectiveness of this KT intervention, with the goal of identifying the barriers to KT and suggest strategies to facilitate KT in similar settings.METHODS:An extensive search for all relevant sources of data documenting the processes of updating adult and pediatric pneumonia guidelines was done. Documents included among others, reports, meeting minutes, and email correspondences. The study was conducted in successive phases: an appraisal of the content of both adult and pediatric pneumonia guidelines; an appraisal of the quality of guidelines by independent experts, using the AGREE-II instrument; a description and modeling of the KT process within the guidelines updating system, using the Unified Modeling Language (UML) tools 2.2; and the listing of the barriers and facilitators to KT we identified during the study.RESULTS:The first appraisal showed that the integration of the KT key messages in pediatric and adult guidelines varied with a better efficiency in the pediatric guidelines. The overall AGREE-II quality assessments scored 37% and 44% for adult and pediatric guidelines, respectively. Scores were lowest for the domains of 'rigor of development' and 'editorial independence.' The UML analysis highlighted that time frames and constraints of the involved stakeholders greatly differed and that there were several missed opportunities to translate on evidence into the adult pneumonia guideline. Seventeen facilitating factors and 18 potential barriers to KT were identified. Main barriers were related to the absence of a clear mandate from the Ministry of Health for the researchers and to a lack of synchronization between knowledge production and policy-making.CONCLUSIONS:Study findings suggest that stakeholders, both researchers and policy makers planning to update clinical guidelines in LIC may need methodological support to overcome the expected barriers.

International audience; BACKGROUND: Little is known about post-infectious pulmonary sequelae in countries like Cambodia where tuberculosis is hyper-endemic and childhood pulmonary infections are highly frequent. We describe the characteristics of hospitalized Cambodian patients presenting with community-acquired acute lower respiratory infections (ALRI) on post-infectious pulmonary sequelae (ALRIPS). METHODS: Between 2007 and 2010, inpatients ≥15 years with ALRI were prospectively recruited. Clinical, biological, radiological and microbiological data were collected. Chest radiographs were re-interpreted by experts to compare patients with ALRIPS, on previously healthy lungs (ALRIHL) and active pulmonary tuberculosis (TB). Patients without chest radiograph abnormality or with abnormality suggestive as other chronic respiratory diseases were excluded from this analysis. RESULTS: Among the 2351 inpatients with community-acquired ALRI, 1800 were eligible: 426 (18%) ALRIPS, 878 (37%) ALRIHL and 496 (21%) TB. ALRIPS patients had less frequent fever than other ALRI (p

International audience; We used a quantitative microbiological risk assessment model to describe the risk of Campylobacter and Salmonella infection linked to chicken meals prepared in households in Dakar, Senegal. The model uses data collected specifically for this study, such as the prevalence and level of bacteria on the neck skin of chickens bought in Dakar markets, time-temperature profiles recorded from purchase to consumption, an observational survey of meal preparation in private kitchens, and detection and enumeration of pathogens on kitchenware and cooks' hands. Thorough heating kills all bacteria present on chicken during cooking, but cross-contamination of cooked chicken or ready-to-eat food prepared for the meal via kitchenware and cooks' hands leads to a high expected frequency of pathogen ingestion. Additionally, significant growth of Salmonella is predicted during food storage at ambient temperature before and after meal preparation. These high exposures lead to a high estimated risk of campylobacteriosis and/or salmonellosis in Dakar households. The public health consequences could be amplified by the high level of antimicrobial resistance of Salmonella and Campylobacter observed in this setting. A significant decrease in the number of ingested bacteria and in the risk could be achieved through a reduction of the prevalence of chicken contamination at slaughter, and by the use of simple hygienic measures in the kitchen. There is an urgent need to reinforce the hygiene education of food handlers in Senegal.

International audience; With more vaccines becoming available worldwide, vaccine research is on the rise in developing countries. To gain a better understanding of safety reporting from vaccine clinical research in developing countries, we conducted a systematic review in Medline and Embase (1989-2011) of published randomized clinical trials (RCTs) reporting safety outcomes with ≥50% developing country participation (PROSPERO systematic review registration number: CRD42012002025). Developing country vaccine RCTs were analyzed with respect to the number of participants, age groups studied, inclusion of safety information, number of reported adverse events following immunization (AEFI), type and duration of safety follow-up, use of standardized AEFI case definitions, grading of AEFI severity, and the reporting of levels of diagnostic certainty for AEFI. The systematic search yielded a total number of 50 randomized vaccine clinical trials investigating 12 different vaccines, most commonly rotavirus and malaria vaccines. In these trials, 94,459 AEFI were reported from 446,908 participants receiving 735,920 vaccine doses. All 50 RCTs mentioned safety outcomes with 70% using definitions for at least one AEFI. The most commonly defined AEFI was fever (27), followed by local (16) and systemic reactions (14). Logistic regression analysis revealed a positive correlation between the implementation of a fever case definition and the reporting rate for fever as an AEFI (p=0.027). Overall, 16 different definitions for fever and 7 different definitions for erythema were applied. Predefined AEFI case definitions by the Brighton Collaboration were used in only two out of 50 RCTs. The search was limited to RCTs published in English or German and may be missing studies published locally. The reported systematic review suggests room for improvement with respect to the harmonization of safety reporting from developing country vaccine clinical trials and the implementation of standardized case definitions.

International audience; Background: Hepatitis A vaccination is recommended to people traveling to countries where the disease is endemic. Until recently, people originating from developing countries were considered to be "naturally" immunized. Because of improving socioeconomic conditions, hepatitis A incidence has decreased in most previously highly endemic countries during the last three decades, especially in the younger age groups.Methods: We analyzed hepatitis A seroprevalence of 989 travelers who had been born and lived at least 1 year in a developing country, wanted to travel to a hepatitis A endemic area, and consulted at the vaccination center of the Institut Pasteur of Paris between September 1, 2008 and February 28, 2010.Results: Hepatitis A serology results were available for 646 subjects. Overall seroprevalence was 82.4%. A total of 90, 82.6, 81.2, 68.4, 56.9, and 50% of people of sub-Saharan African, Near and Middle Eastern, North African, Asian, Latin American, and Eastern European origin had hepatitis A antibodies, respectively. The difference in seroprevalence according to the continent of origin, age, and length of stay in an endemic country was significant (p < 0.0001). More than 75% of seronegatives and less than 50% of seropositives were younger than 36 years. Almost three quarters of the positive group (while less than half of the negative group) lived longer than 18 years in a developing country. Multivariate analysis showed that seroprevalence increases with age, length of stay in a country at risk, and varies significantly from one continent to another.Conclusion: We recommend extending serologic confirmation of immigrants' hepatitis A immunity. If time is lacking, vaccination should be considered.

Cardiac troponin I (cTnI) is a sensitive and specific marker of acute coronary syndromes and myocardial damage. During the past few years, it has become the preferred biochemical marker of myocardial infarction. However, due to the sensitivity required for its detection, only automated systems can be used in developed countries. However, these are rather expensive and unaffordable for most laboratories in developing countries. Many manufacturers have therefore proposed rapid immunochromatographic tests to detect cTnI. The aim of this study was to assess the limit of detection (LOD) and performance of four rapid immunochromatographic tests available in Madagascar. The four tests evaluated were Hexagon Troponin, Nadal troponin I cassette, Troponitest+, and Amicheck-Trop. Amicheck-Trop had a sensitivity and negative predictive value of about 80%, whereas for the three others, they were about 20%. The specificity of Amicheck-Trop of 87.3% was lower than the specificities of the other tests (98% to 100%). These differences were explained by the limits of detection of the tests: 0.3 to 0.4 ng/ml for Amicheck-Trop but only 1.8 to 2 ng/ml for the three other tests. It was concluded that Amicheck-Trop could be useful in the management of acute myocardial infarction or myocarditis in sparsely equipped laboratories in developing countries.

The authors have declared that no competing interests exist. Major funding for the project in Institut Pasteur was provided by the Institut Pasteur International Network with Actions Concertees InterPasteuriennes 2003/687 and 2006/562. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

International audience; Rheumatoid arthritis (RA) is a chronic inflammatory joint disease characterized by a distinctive pattern of bone and joint destruction. RA patients have an increased risk of death. The incidence and prevalence of RA vary across populations, statistical methods, and disease definitions. In North America and Northern Europe, the incidence of RA is estimated at 20 to 50 cases per 100,000 population and the prevalence at 0.5% to 1.1%. Lower incidences and prevalences have been reported in Southern Europe, and few data are available for developing countries. Some studies showed declining incidences and prevalences after the 1960s. RA is a multifactorial disease that results from interactions between genetic and environmental factors. The main genetic factors are HLA-DRB1 and the tyrosine-phosphatase gene PTPN22. Among environmental factors implicated in the development of RA, smoking shows the strongest association with RA susceptibility and is also linked to worse outcomes. The aim of this review is to discuss the available data on the incidence and prevalence of RA, as well as the genetic and environmental risk factors associated with RA.

Based on data from West Africa, Elena Losina and colleagues predict that interventions to reduce dropout rates from HIV treatment programs (such as eliminating copayments) will be cost-effective., Background Data from HIV treatment programs in resource-limited settings show extensive rates of loss to follow-up (LTFU) ranging from 5% to 40% within 6 mo of antiretroviral therapy (ART) initiation. Our objective was to project the clinical impact and cost-effectiveness of interventions to prevent LTFU from HIV care in West Africa. Methods and Findings We used the Cost-Effectiveness of Preventing AIDS Complications (CEPAC) International model to project the clinical benefits and cost-effectiveness of LTFU-prevention programs from a payer perspective. These programs include components such as eliminating ART co-payments, eliminating charges to patients for opportunistic infection-related drugs, improving personnel training, and providing meals and reimbursing for transportation for participants. The efficacies and costs of these interventions were extensively varied in sensitivity analyses. We used World Health Organization criteria of, Editors' Summary Background Acquired immunodeficiency syndrome (AIDS) has killed more than 25 million people since the first reported case in 1981. Currently, about 33 million people are infected with the human immunodeficiency virus (HIV), which causes AIDS. Two-thirds of people infected with HIV live in sub-Saharan Africa. HIV infects and destroys immune system cells, thereby weakening the immune system and rendering infected individuals susceptible to infection. There is no cure for HIV/AIDS. Combination antiretroviral therapy (ART), a mixture of antiretroviral drugs that suppress the replication of the virus in the body, is used to treat and prevent HIV infection. ART is expensive but major international efforts by governments, international organizations, and funding bodies have increased ART availability. According to World Health Organization (WHO) estimates, at least 9.7 million people in low- and middle-income countries need ART and as of 2007, 3 million of those people had reliable access to the drugs. Why Was This Study Done? Although ART is an effective treatment for HIV, a large number of individuals who initiate ART do not receive long-term follow-up care. These patients are generally sicker and have a worse long-term outcome than those who receive follow-up care. Loss to follow up (LTFU) is a significant problem that can undermine the benefits of expanding ART availability. Strategies to improve follow up concentrate on bringing lost patients back into the health care system, but such patients often die before they can be contacted. Prevention of LTFU might be a better strategy to improve HIV care after ART initiation, but there is little information available on which specific interventions might best accomplish this goal. What Did the Researchers Do and Find? Given the lack of reported data on the actual costs and effectiveness of LTFU prevention, the researchers used a model to estimate the clinical impact and cost-effectiveness of several possible strategies to prevent LTFU in HIV-infected persons receiving ART in Côte d'Ivoire, West Africa. The researchers used the previously developed Cost-Effectiveness of Preventing AIDS Complications (CEPAC) computer simulation model and combined it with data from a program of ART delivery in Abidjan, Côte d'Ivoire. They then projected the clinical benefits and the cost required to attain a given level of benefit (cost-effectiveness ratio) of different LTFU-prevention strategies from the perspective of the payer (the organization that pays all the medical costs to provide care). Several interventions were considered, including reducing costs to patients (eliminating patient co-payments and paying for transportation) and increasing services to patients at their visits (improving staff training in HIV care, and providing meals at clinic times). LTFU was predicted to cause a 54.3%–58.3% reduction in the estimated life expectancy beyond age 37; patients continuing HIV care were predicted to live a further 144.7 months whie those lost to follow up by 1 year after ART initiation were predicted to live only for a further 73.9–80.7 months. LTFU-prevention strategies in the Côte d'Ivoire were deemed to be cost-effective if they cost less than $2,823 (which is 3× gross domestic product per capita) per year of life saved. The efficacy and cost of the different LTFU-prevention strategies varied in the analyses; stopping ART co-payment alone would be cost-effective at a cost of $22/person/year if it reduced LTFU rates by 12%, while including all the LTFU-prevention strategies described would be cost-effective at $77/person/year if they reduced LTFU-rates by 41%. What Do These Findings Mean? The findings suggest that moderately effective strategies for preventing LTFU in resource-limited settings would improve survival, provide good value for money, and should be used to improve HIV treatment programs. Although modeling is valuable to explore the costs and effectiveness of LTFU-prevention strategies it cannot replace the need for more reported data to shed light on problems leading to LTFU and the prevention strategies required to combat it. Also, Côte d'Ivoire might not be representative of all West African countries or resource-limited settings. A similar analysis using data from other ART programs in different countries would be useful to provide better understanding of the impact of LTFU in HIV treatment programs. Finally, the research highlights the cost of second-line ART (a new antiretroviral drug combination for patients in whom first-line treatment fails) as a crucial issue. It is estimated that 5% of all people receiving ART in low- and middle-income countries receive second-line ART and these numbers are expected to increase. Second-line ART had major effects on cost-effectiveness, and a reduction in the cost of this treatment is critical in order to guarantee continued access to HIV treatment. Additional Information Please access these Web sites via the online version of this summary at http://dx.doi.org/10.1371/journal.pmed.1000173. This study is further discussed in a PLoS Medicine Perspective by Gregory Bisson and Jeffrey Stringer WHO provides information on disease prevention, treatment, and HIV/AIDS programs and projects The UN Millennium Development Goals project site contains information on worldwide efforts to halt the spread of HIV/AIDS aidsmap, a nonprofit, nongovernmental organization, provides information on HIV and supporting those living with HIV

International audience; The management of acute bacterial meningitis is based on early antibiotic treatment to prevent unfavorable outcome (death and permanent sequelae). beta-Lactam antibiotics, particularly third-generation cephalosporins, are effective against most agents of community-acquired acute bacterial meningitis. Resistance to beta-lactams evolves, particularly in Streptococcus pneumoniae, that may lead to treatment failure. Evaluation of other antibiotics such as fourth-generation cephalosporin, new penems and quinolones is warranted. Adjunctive therapy aims to reduce tissue injuries provoked by the inflammatory response. The use of dexamethasone is still a matter of debate, but seems to be helpful under conditions of rapid etiological diagnosis and prompt management. Other drugs that neutralize bacterial factors or host mechanisms involved in induction of inflammatory response are under development.

International audience; Since 2000, the emergence of several large disease-specific global health initiatives (GHIs) has changed the way in which international donors provide assistance for public health. Some critics have claimed that these initiatives burden health systems that are already fragile in countries with few resources, whereas others have asserted that weak health systems prevent progress in meeting disease-specific targets. So far, most of the evidence for this debate has been provided by speculation and anecdotes. We use a review and analysis of existing data, and 15 new studies that were submitted to WHO for the purpose of writing this Report to describe the complex nature of the interplay between country health systems and GHIs. We suggest that this Report provides the most detailed compilation of published and emerging evidence so far, and provides a basis for identification of the ways in which GHIs and health systems can interact to mutually reinforce their effects. On the basis of the findings, we make some general recommendations and identify a series of action points for international partners, governments, and other stakeholders that will help ensure that investments in GHIs and country health systems can fulfil their potential to produce comprehensive and lasting results in disease-specific work, and advance the general public health agenda. The target date for achievement of the health-related Millennium Development Goals is drawing close, and the economic downturn threatens to undermine the improvements in health outcomes that have been achieved in the past few years. If adjustments to the interactions between GHIs and country health systems will improve efficiency, equity, value for money, and outcomes in global public health, then these opportunities should not be missed.

International audience; BACKGROUND: In high-income countries, viral load is routinely measured to detect failure of antiretroviral therapy (ART) and guide switching to second-line ART. Viral load monitoring is not generally available in resource-limited settings. We examined switching from nonnucleoside reverse transcriptase inhibitor (NNRTI)-based first-line regimens to protease inhibitor-based regimens in Africa, South America and Asia. DESIGN AND METHODS: Multicohort study of 17 ART programmes. All sites monitored CD4 cell count and had access to second-line ART and 10 sites monitored viral load. We compared times to switching, CD4 cell counts at switching and obtained adjusted hazard ratios for switching (aHRs) with 95% confidence intervals (CIs) from random-effects Weibull models. RESULTS: A total of 20 113 patients, including 6369 (31.7%) patients from 10 programmes with access to viral load monitoring, were analysed; 576 patients (2.9%) switched. Low CD4 cell counts at ART initiation were associated with switching in all programmes. Median time to switching was 16.3 months [interquartile range (IQR) 10.1-26.6] in programmes with viral load monitoring and 21.8 months (IQR 14.0-21.8) in programmes without viral load monitoring (P < 0.001). Median CD4 cell counts at switching were 161 cells/microl (IQR 77-265) in programmes with viral load monitoring and 102 cells/microl (44-181) in programmes without viral load monitoring (P < 0.001). Switching was more common in programmes with viral load monitoring during months 7-18 after starting ART (aHR 1.38; 95% CI 0.97-1.98), similar during months 19-30 (aHR 0.97; 95% CI 0.58-1.60) and less common during months 31-42 (aHR 0.29; 95% CI 0.11-0.79). CONCLUSION: In resource-limited settings, switching to second-line regimens tends to occur earlier and at higher CD4 cell counts in ART programmes with viral load monitoring compared with programmes without viral load monitoring.

International audience; The management of stroke in rural and regional areas is variable in both the developed and developing world. Informed by best-practice guidelines and recommendations for systems of stroke care, adaptable models of care that are appropriate for local needs should be devised for rural and regional settings. This review addresses the issue of the provision of appropriate services in rural and regional settings, with particular attention to the barriers involved, according to the classification of Low Human Development Country (LHDC), Medium Human Development Country (MHDC) and High Human Development Country (HHDC). We discuss the need and feasibility of developing implementing stroke care in rural settings according to best-practice recommendations, within models of care adapted to local conditions.

International audience

International audience; Ambitious goals for paediatric AIDS control have been set by various international bodies, including a 50% reduction in new paediatric infections by 2010. While these goals are clearly appropriate in their scope, the lack of clarity and consensus around how to monitor the effectiveness of programmes to prevent mother-to-child HIV transmission (PMTCT) makes it difficult for policy-makers to mount a coordinated response. In this paper, we develop the case for using population HIV-free child survival as a gold standard metric to measure the effectiveness of PMTCT programmes, and go on to consider multiple study designs and source populations. Finally, we propose a novel community survey-based approach that could be implemented widely throughout the developing world with minor modifications to ongoing Demographic and Health Surveys.

International audience; In developing countries, prisons do not have adequate healthcare systems. The problem is particularly acute for tuberculosis (TB) and is exacerbated by crowding and HIV infection. Improved passive TB detection is a priority for control, but in highly endemic prisons mass screening may be needed to obtain a more rapid decrease in incidence. The provision of health care in prisons is made more difficult by social conditions within prisons and the political climate in which they operate. International guidelines seem to be largely ignored.

International audience; We examined the incidence of and risk factors for tuberculosis during the first year of highly active antiretroviral therapy in low-income (4540 patients) and high-income (22,217 patients) countries. Although incidence was much higher in low-income countries, the reduction in the incidence of tuberculosis associated with highly active antiretroviral therapy was similar: the rate ratio for months 7-12 versus months 1-3 was 0.48 (95% confidence interval, 0.36-0.64) in low-income countries and 0.36 (95% confidence interval, 0.26-0.50) in high-income countries. A low CD4 cell count at the start of therapy was the most important risk factor in both settings.

International audience; We examined the incidence of and risk factors for tuberculosis during the first year of highly active antiretroviral therapy in low-income (4540 patients) and high-income (22,217 patients) countries. Although incidence was much higher in low-income countries, the reduction in the incidence of tuberculosis associated with highly active antiretroviral therapy was similar: the rate ratio for months 7-12 versus months 1-3 was 0.48 (95% confidence interval, 0.36-0.64) in low-income countries and 0.36 (95% confidence interval, 0.26-0.50) in high-income countries. A low CD4 cell count at the start of therapy was the most important risk factor in both settings.

International audience; We examined the incidence of and risk factors for tuberculosis during the first year of highly active antiretroviral therapy in low-income (4540 patients) and high-income (22,217 patients) countries. Although incidence was much higher in low-income countries, the reduction in the incidence of tuberculosis associated with highly active antiretroviral therapy was similar: the rate ratio for months 7-12 versus months 1-3 was 0.48 (95% confidence interval, 0.36-0.64) in low-income countries and 0.36 (95% confidence interval, 0.26-0.50) in high-income countries. A low CD4 cell count at the start of therapy was the most important risk factor in both settings.

We describe the methodology and the main results of the Lebanese perinatal health survey; the aim of the survey was to obtain a minimum data set on all births occurring during a short period of time. The survey was carried out during two consecutive weeks in fall 1999 and in spring 2000. All live births and stillbirths occurring during these periods in medical settings were recorded. The sample included 5231 women and 5333 newborns. Data were obtained from medical records and by interviewing the women in hospital after delivery. All maternity units and birth centers agreed to participate. Maternal characteristics, medical care during pregnancy and delivery, and pregnancy outcome were similar for the two study periods. However gestational age distribution differed between the two periods. In total, 9.0% of infants were born before 37 weeks of gestation and 7.0% weighed less than 2500 grams at birth. Wide regional variations were observed for many indicators of health, care and risk factors. For instance, the cesarean section rate varied from 16.2% in the North Region to 28.0% in Beirut. The survey protocol was successfully applied in Lebanon and may be useful in other countries that have a relatively well-developed health care system, but few sources of reliable population-based statistics on health and medical care. This type of survey may also be an appropriate instrument for collecting additional data for health policy evaluations.

Composition of the ANRS 1201/1202 Ditrame Plus Study Group Principal Investigators: François Dabis, Valériane Leroy, Marguerite Timite-Konan, Christiane Welffens-Ekra. Coordination in Abidjan: Laurence Bequet, Didier K. Ekouevi, Besigin Tonwe-Gold, Ida Viho. Methodology, biostatistics and data management: Gérard Allou, Renaud Becquet, Katia Castetbon, Laurence Dequae-Merchadou, Charlotte Sakarovitch, Dominique Touchard. Clinical team: Clarisse Amani-Bosse, Ignace Ayekoe, Gédéon Bédikou, Nacoumba Coulibaly, Christine Danel, Patricia Fassinou, Apollinaire Horo, Ruffin Likikouët, Hassan Toure. Laboratory team: André Inwoley, François Rouet, Ramata Touré. Psycho-social team: Héléne Agbo, Hortense Aka-Dago, Hermann Brou, Annabel Desgrées-du-Loû, Alphonse Sihé, Annick Tijou-Traoré, Benjamin Zanou. Scientific Committee: Stéphane Blanche, Jean-François Delfraissy, Philippe Lepage, Laurent Mandelbrot, Christine Rouzioux, Roger Salamon; International audience; OBJECTIVE: In high HIV prevalence resource-constrained settings, exclusive breastfeeding with early cessation is one of the conceivable interventions aimed at the prevention of HIV through breast milk. Nevertheless, this intervention has potential adverse effects, such as the inappropriateness of complementary feeding to take over breast milk. The purpose of our study first was to describe the nature and the ages of introduction of complementary feeding among early weaned breastfed infants up to their first birthday and second was to assess the nutritional adequacy of these complementary foods by creating a child feeding index and to investigate its association with child nutritional status. METHODS: A prospective cohort study in Abidjan, C?d'Ivoire, was conducted in HIV-infected pregnant women who were willing to breastfeed and had received a perinatal antiretroviral prophylaxis. They were requested to practice exclusive breastfeeding and initiate early cessation of breastfeeding from the fourth month to reduce breast milk HIV transmission. Nature and ages of introductory complementary feeding were described in infants up to their first birthday by longitudinal compilation of 24-hour and 7-day recall histories. These recalls were done weekly until 6 weeks of age, monthly until 9 months of age, and then quarterly. We created an index to synthesize the nutritional adequacy of infant feeding practices (in terms of quality of the source of milk, dietary diversity, food, and meal frequencies) ranging from 0 to 12. The association of this feeding index with growth outcomes in children was investigated. RESULTS: Among the 262 breastfed children included, complete cessation of breastfeeding occurred in 77% by their first birthday, with a median duration of 4 months. Most of the complementary foods were introduced within the seventh month of life, except for infant food and infant formula that were introduced at age 4 months. The feeding index was relatively low (5 of 12) at age 6 months, mainly as a result of insufficient dietary diversity, but was improved in the next 6 months (8.5 of 12 at 12 months of age). Inadequate complementary feeding at age 6 months was associated with impaired growth during the next 12 months, with a 37% increased probability of stunting. CONCLUSION: Adequate feeding practices around the weaning period are crucial to achieving optimal child growth. HIV-infected women should turn to early cessation of breastfeeding only when they are counseled properly to provide adequate complementary feeding to take over breast milk. Our child feeding index could contribute to the assessment of the nutritional adequacy of complementary feeding around the weaning period and therefore help to detect children who are at risk for malnutrition.

Composition of the ANRS 1201/1202 Ditrame Plus Study Group Principal Investigators: François Dabis, Valériane Leroy, Marguerite Timite-Konan, Christiane Welffens-Ekra. Coordination in Abidjan: Laurence Bequet, Didier K. Ekouevi, Besigin Tonwe-Gold, Ida Viho. Methodology, biostatistics and data management: Gérard Allou, Renaud Becquet, Katia Castetbon, Laurence Dequae-Merchadou, Charlotte Sakarovitch, Dominique Touchard. Clinical team: Clarisse Amani-Bosse, Ignace Ayekoe, Gédéon Bédikou, Nacoumba Coulibaly, Christine Danel, Patricia Fassinou, Apollinaire Horo, Ruffin Likikouët, Hassan Toure. Laboratory team: André Inwoley, François Rouet, Ramata Touré. Psycho-social team: Héléne Agbo, Hortense Aka-Dago, Hermann Brou, Annabel Desgrées-du-Loû, Alphonse Sihé, Annick Tijou-Traoré, Benjamin Zanou. Scientific Committee: Stéphane Blanche, Jean-François Delfraissy, Philippe Lepage, Laurent Mandelbrot, Christine Rouzioux, Roger Salamon; International audience; OBJECTIVE: In high HIV prevalence resource-constrained settings, exclusive breastfeeding with early cessation is one of the conceivable interventions aimed at the prevention of HIV through breast milk. Nevertheless, this intervention has potential adverse effects, such as the inappropriateness of complementary feeding to take over breast milk. The purpose of our study first was to describe the nature and the ages of introduction of complementary feeding among early weaned breastfed infants up to their first birthday and second was to assess the nutritional adequacy of these complementary foods by creating a child feeding index and to investigate its association with child nutritional status. METHODS: A prospective cohort study in Abidjan, C?d'Ivoire, was conducted in HIV-infected pregnant women who were willing to breastfeed and had received a perinatal antiretroviral prophylaxis. They were requested to practice exclusive breastfeeding and initiate early cessation of breastfeeding from the fourth month to reduce breast milk HIV transmission. Nature and ages of introductory complementary feeding were described in infants up to their first birthday by longitudinal compilation of 24-hour and 7-day recall histories. These recalls were done weekly until 6 weeks of age, monthly until 9 months of age, and then quarterly. We created an index to synthesize the nutritional adequacy of infant feeding practices (in terms of quality of the source of milk, dietary diversity, food, and meal frequencies) ranging from 0 to 12. The association of this feeding index with growth outcomes in children was investigated. RESULTS: Among the 262 breastfed children included, complete cessation of breastfeeding occurred in 77% by their first birthday, with a median duration of 4 months. Most of the complementary foods were introduced within the seventh month of life, except for infant food and infant formula that were introduced at age 4 months. The feeding index was relatively low (5 of 12) at age 6 months, mainly as a result of insufficient dietary diversity, but was improved in the next 6 months (8.5 of 12 at 12 months of age). Inadequate complementary feeding at age 6 months was associated with impaired growth during the next 12 months, with a 37% increased probability of stunting. CONCLUSION: Adequate feeding practices around the weaning period are crucial to achieving optimal child growth. HIV-infected women should turn to early cessation of breastfeeding only when they are counseled properly to provide adequate complementary feeding to take over breast milk. Our child feeding index could contribute to the assessment of the nutritional adequacy of complementary feeding around the weaning period and therefore help to detect children who are at risk for malnutrition.

Composition of the ANRS 1201/1202 Ditrame Plus Study Group Principal Investigators: François Dabis, Valériane Leroy, Marguerite Timite-Konan, Christiane Welffens-Ekra. Coordination in Abidjan: Laurence Bequet, Didier K. Ekouevi, Besigin Tonwe-Gold, Ida Viho. Methodology, biostatistics and data management: Gérard Allou, Renaud Becquet, Katia Castetbon, Laurence Dequae-Merchadou, Charlotte Sakarovitch, Dominique Touchard. Clinical team: Clarisse Amani-Bosse, Ignace Ayekoe, Gédéon Bédikou, Nacoumba Coulibaly, Christine Danel, Patricia Fassinou, Apollinaire Horo, Ruffin Likikouët, Hassan Toure. Laboratory team: André Inwoley, François Rouet, Ramata Touré. Psycho-social team: Héléne Agbo, Hortense Aka-Dago, Hermann Brou, Annabel Desgrées-du-Loû, Alphonse Sihé, Annick Tijou-Traoré, Benjamin Zanou. Scientific Committee: Stéphane Blanche, Jean-François Delfraissy, Philippe Lepage, Laurent Mandelbrot, Christine Rouzioux, Roger Salamon; International audience; OBJECTIVE: In high HIV prevalence resource-constrained settings, exclusive breastfeeding with early cessation is one of the conceivable interventions aimed at the prevention of HIV through breast milk. Nevertheless, this intervention has potential adverse effects, such as the inappropriateness of complementary feeding to take over breast milk. The purpose of our study first was to describe the nature and the ages of introduction of complementary feeding among early weaned breastfed infants up to their first birthday and second was to assess the nutritional adequacy of these complementary foods by creating a child feeding index and to investigate its association with child nutritional status. METHODS: A prospective cohort study in Abidjan, C?d'Ivoire, was conducted in HIV-infected pregnant women who were willing to breastfeed and had received a perinatal antiretroviral prophylaxis. They were requested to practice exclusive breastfeeding and initiate early cessation of breastfeeding from the fourth month to reduce breast milk HIV transmission. Nature and ages of introductory complementary feeding were described in infants up to their first birthday by longitudinal compilation of 24-hour and 7-day recall histories. These recalls were done weekly until 6 weeks of age, monthly until 9 months of age, and then quarterly. We created an index to synthesize the nutritional adequacy of infant feeding practices (in terms of quality of the source of milk, dietary diversity, food, and meal frequencies) ranging from 0 to 12. The association of this feeding index with growth outcomes in children was investigated. RESULTS: Among the 262 breastfed children included, complete cessation of breastfeeding occurred in 77% by their first birthday, with a median duration of 4 months. Most of the complementary foods were introduced within the seventh month of life, except for infant food and infant formula that were introduced at age 4 months. The feeding index was relatively low (5 of 12) at age 6 months, mainly as a result of insufficient dietary diversity, but was improved in the next 6 months (8.5 of 12 at 12 months of age). Inadequate complementary feeding at age 6 months was associated with impaired growth during the next 12 months, with a 37% increased probability of stunting. CONCLUSION: Adequate feeding practices around the weaning period are crucial to achieving optimal child growth. HIV-infected women should turn to early cessation of breastfeeding only when they are counseled properly to provide adequate complementary feeding to take over breast milk. Our child feeding index could contribute to the assessment of the nutritional adequacy of complementary feeding around the weaning period and therefore help to detect children who are at risk for malnutrition.

In a recent issue of AIDS, Magoni et al. investigated the impact of different infant feeding strategies on mother-to-child transmission of HIV within a study conducted in an urban Ugandan site [1]. They reported a lower postnatal risk of HIV transmission at age six months in formula fed children compared to breastfed children and concluded that formula feeding was the safest way of feeding children born to HIV-infected mothers. We acknowledge the importance of assessing such a question within a large prospective cohort, since conducting a clinical trial allocating the infant feeding option at random was not ethically acceptable in this context. However, we would like to raise several concerns about the quality of definition and documentation of the outcomes, the statistical methods used and the interpretation of these findings. Firstly, to compare the efficacy in reducing HIV postnatal transmission and safety of different infant feeding strategies, these practices have to be properly defined, precisely documented using validated tools such as recall histories, and prospectively and frequently recorded to minimize the maternal recall bias [2–4]. To fully and accurately interpret the results of this study, all of these issues need to be clarified. Indeed, the infant feeding definitions used in this report were not in accordance with those recommended by the World Health Organization [5, 6], the method of collection of infant feeding practices was not specified and the long-term postnatal compliance to the infant feeding strategies chosen at delivery was not presented in detail. Infant feeding counseling strategies should also have been described and discussed. Did counseling begin antenatally ? How were the infant feeding interventions proposed to the women ? Were the counseling sessions organized individually or collectively, and how frequently ? Secondly, the simple cumulative proportion used to calculate HIV transmission rates was acceptable at age six weeks but inappropriate at age six months. Consensus approaches for the statistical methods that should be considered for analyzing long-term postnatal HIV transmission rates have already been developed, such as the extension of the Kaplan-Meier procedure to interval-censored data or competing risks analysis [7, 8]. Such sophisticated methods account for the fact that exact age at infection is unknown, that risk for postnatal infection ends at weaning, or that censoring due to death may be informative. Moreover, these methods have already been used within several studies, which allows direct comparison in the efficacy of specific interventions between studies [9, 10]. Thirdly, the evaluation of two other judgement criteria relative to infant health, i.e. infant growth and morbidity, was too cursory to be interpretable. Such a strong conclusion as “formula feeding was the safest way to feed children” would thus require a much more detailed evaluation of these events. Lastly, we strongly believe that choosing the endpoint for both clinical and laboratory evaluation at six months postnatal only was of scientific concern. In Uganda, the median duration of breastfeeding was reported to be 21 months in urban settings [11]. Proposing women to breastfeed for not more than six months was thus unusual in this context, and the repercussion of this strategy on infant health should be long-term investigated, especially after early cessation of breastfeeding. Indeed, it is recommended that clinical follow-up should continue until two years of age to fully assess health outcomes in studies evaluating alternatives to breastfeeding in the context of HIV [12]. Moreover, it is important to diagnose HIV postnatal transmission that might occur beyond six months to improve the clinical care of HIV-infected children. In high HIV prevalence resource constrained countries, HIV-infected pregnant women face a real dilemma regarding the way of feeding their forthcoming infant. The evaluation of infant feeding strategies on the reduction of postnatal mother-to-child transmission of HIV is complex with multiple judgment criteria. To be fully assessed, the balance of the risks and benefits of each feeding practice has to include the reduction of HIV postnatal transmission on one hand, and all the potential risks for the mother (stigmatization, incidence of new pregnancies) and for infant health (growth characteristics, severe morbidity, mortality) on the other hand. These assessments require long-term follow-up until two years of age before providing a definitive picture. As a conclusion, we feel that this study provides useful knowledge on HIV postnatal transmission according to infant feeding practices at six months. However, it is probably too premature to solve the breastfeeding dilemma, as some judgment criteria which need to be taken into account are not fully measured. In this sensible context, inaccurate evaluations could be prejudicial to the debate.

International audience; OBJECTIVES: In Africa, single-dose nevirapine (NVPsd), short regimens of zidovudine (ZDV) or ZDV + lamivudine (3TC) are recommended to prevent peripartum mother-to-child HIV transmission (PMTCT). We evaluated the 6-week field efficacy of two more PMTCT drug combinations. DESIGN: An open-label intervention cohort in Abidjan. METHODS: In 2001-2002, consenting women started oral ZDV 300 mg twice daily (bid) at > or =36 weeks of gestation, with 600 mg of ZDV + 200 mg NVPsd orally at beginning of labour. In 2002-2003, the antepartum regimen at > or =32 weeks comprised ZDV as previously + 3TC 150 mg bid; the labour dose comprised ZDV + NVPsd as previously + 300 mg 3TC orally. Neonates received ZDV syrup (2 mg/kg per 6 h) for 7 days + NVPsd syrup (2 mg/kg) on day 2 in both periods. Each woman was assisted to either use breast milk substitutes or breastfeed exclusively. Paediatric HIV infection was diagnosed by plasma HIV RNA viral load at 4 weeks, confirmed at 6 weeks. The reference group was a cohort receiving a short regimen of ZDV > or = 36-38 weeks in 1995-2000 in the same population. RESULTS: A total of 1144 HIV-infected pregnant women were included: 351 with ZDV, 420 with ZDV + NVPsd and 373 with ZDV + 3TC + NVPsd; 1010 livebirths were eligible for analysis; 79 children were HIV-infected peripartum. Six-week transmission probability was 6.5% [95% confidence interval (CI), 3.9-9.1%) with ZDV + NVPsd, a 72% reduction compared with ZDV alone (95% CI, 52-88%; P = 0.0002 adjusted on maternal CD4, clinical stage and breastfeeding). It was 4.7% (95% CI, 2.4-7.0%) with ZDV + 3TC + NVPsd (P = 0.34 compared with ZDV + NVPsd). CONCLUSIONS: A short-course of ZDV + NVPsd prevents most peripartum HIV transmission in Africa. This regimen could be added to international guidelines.

Objective: To study the relation between sleep habits, nutritional status, growth and maturation in a group of African adolescent girls. The main hypothesis to be tested was that sleep length could be an effective way to spare energy, and thus malnourished girls sleep longer than normal girls. Design: Three repeated yearly surveys (1997–1999) on a subsample of girls drawn from a larger study cohort on growth at adolescence. Setting: The Niakhar district in the central part of Senegal. Subjects: In total, 40 girls were initially drawn. Missing girls were replaced at each round by girls having the same characteristics and belonging to the same cohort. Interventions: At each round, data on pubertal development (breast stages and occurrence of menarche), growth and nutritional status were collected. Adolescents wore an accelerometer for three or four consecutive nights and days at each round. Results: At the beginning of the survey, girls were 13.3±0.5 y old. They were under international reference values in weight and height. Their mean sleep duration was 8.5±0.9 h. Their puberty status did not influence their sleep habits; however, they slept more in March than in June, which was related to the seasonal change in daylight. There was a significant relation between body mass index and sleep habits: thinner girls slept a longer time and more quietly than the more corpulent girls. Conclusions: The nutritional status of these girls influenced their sleep habits: this may have been either a direct causal relation or a consequence of a protective attitude on the part of the mothers towards the frailer girls. Sponsorship: The R024 ‘Epidemiologie et Prevention’ of the IRD (France) and the Nestle Foundation.

‘‘Chronic respiratory diseases (CRD) which include asthma and chronic obstructive pulmonary diseases (COPD) comprise a major cause of death and disability for all age groups and regions in the world. In the absence of effective interventions, risk factors such as smoking, air pollution, allergen exposure, severe childhood respiratory infection and TB are expected to cause a further rise in the magnitude of these health problems in the coming years, particularly in developing countries. Evidence also indicates that in many countries people with common CRDhave no access to acceptable standards of health care; health systems may also provide inappropriate care due to misdiagnosis arising from respiratory symptoms which are often common for acute and chronic illnesses.’’ (1) In low and middle-income countries, the capacity of health professionals should be expanded to address CRD. Sub-Saharan Africa appears to be an important region of the world that could be used to assess how the CRD program can be modeled and implemented. In these countries, CRD (including allergic diseases) represent only one type of major disease, and in many instances are not the main disease burden. Thus, it is important to propose an integrated management of disease that covers communicable and noncommunicable diseases.

International audience; OBJECTIVE: To evaluate acceptability of voluntary HIV counselling and testing (VCT) by pregnant women in the context of clinical trials assessing interventions to reduce mother-to-child transmission (MCT) of HIV in developing countries. METHODS: During September-October 1997, 13 studies located in West (Abidjan, Bobo Dioulasso), East (Nairobi, Mombasa, Dar Es Salaam, Blantyre, Lusaka, Harare) and South Africa (Soweto, Durban), and Thailand (Bangkok) were included in a cross-sectional mailing survey about the acceptability of VCT in antenatal clinics. Acceptance rate, return rate, overall acceptability of VCT (acceptance of both pre- and post-VCT sessions) were obtained using a standardized questionnaire. RESULTS: The median overall acceptability of VCT was 69% (range, 33-95%). Overall acceptability of VCT most frequently depended on return rates because acceptance rates were generally high. Where several studies were conducted in parallel in the same city or the same country, overall acceptability rates of HIV testing were generally comparable even if the intervention programmes differed. Overall acceptability rates of VCT were high in antenatal clinics where a particular effort in implementing VCT programmes had been made. CONCLUSIONS: This international survey shows that despite many obstacles, VCT is feasible and acceptable for pregnant women aiming to reduce their risk of transmitting HIV to their children.

Social and behavioural factors are critical to the emergence, spread and containment of human disease, and are key determinants of the course, duration and outcomes of disease outbreaks. Recent epidemics of Ebola in West Africa and coronavirus disease 2019 (COVID-19) globally have reinforced the importance of developing infectious disease models that better integrate social and behavioural dynamics and theories. Meanwhile, the growth in capacity, coordination and prioritization of social science research and of risk communication and community engagement (RCCE) practice within the current pandemic response provides an opportunity for collaboration among epidemiological modellers, social scientists and RCCE practitioners towards a mutually beneficial research and practice agenda. Here, we provide a review of the current modelling methodologies and describe the challenges and opportunities for integrating them with social science research and RCCE practice. Finally, we set out an agenda for advancing transdisciplinary collaboration for integrated disease modelling and for more robust policy and practice for reducing disease transmission.