27 results on '"Jalloh, Mohamed F."'
Search Results
2. Toward a Continuum of Measures to Mitigate Primary and Secondary Impacts of COVID-19 and Other Public Health Emergencies.
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Hakim, Avi J., Victory, Kerton R., Summers, Aimee, Jalloh, Mohamed F., Richter, Patricia, Bennett, Sarah D., Henao, Olga L., and Marston, Barbara
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PREVENTION of infectious disease transmission ,COVID-19 ,COVID-19 vaccines ,PUBLIC health ,PULSE oximetry ,MEDICAL emergencies ,COVID-19 testing ,COVID-19 pandemic - Abstract
The global COVID-19 response focused heavily on nonpharmaceutical interventions (NPIs) until vaccines became available. Even where vaccination coverage is low, over time governments have become increasingly reluctant to use NPIs. Inequities in vaccine and treatment accessibility and coverage, differences in vaccine effectiveness, waning immunity, and immune-escape variants of concern of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) reinforce the long-term need for mitigation. Initially, the concept of NPIs, and mitigation more broadly, was focused on prevention of SARS-CoV-2 transmission; however, mitigation can and has done more than prevent transmission. It has been used to address the clinical dimensions of the pandemic as well. The authors propose an expanded conceptualization of mitigation that encompasses a continuum of community and clinical mitigation measures that can help reduce infection, illness, and death from COVID-19. It can further help governments balance these efforts and address the disruptions in essential health services, increased violence, adverse mental health outcomes, and orphanhood precipitated by the pandemic and by NPIs themselves. The COVID-19 pandemic response revealed the benefits of a holistic and layered mitigation approach to public health emergencies from the outset. Lessons learned can inform the next phases of the current pandemic response and planning for future public health emergencies. [ABSTRACT FROM AUTHOR]
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- 2023
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3. The Use of Adaptive Sampling to Reach Disadvantaged Populations for Immunization Programs and Assessments: A Systematic Review.
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Koyuncu, Aybüke, Ishizumi, Atsuyoshi, Daniels, Danni, Jalloh, Mohamed F., Wallace, Aaron S., and Prybylski, Dimitri
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IMMUNIZATION ,VACCINATION coverage ,HIGH-income countries ,SAMPLING methods ,VACCINATION - Abstract
Vaccines prevent 4–5 million deaths every year, but inequities in vaccine coverage persist among key disadvantaged subpopulations. Under-immunized subpopulations (e.g., migrants, slum residents) may be consistently missed with conventional methods for estimating immunization coverage and assessing vaccination barriers. Adaptive sampling, such as respondent-driven sampling, may offer useful strategies for identifying and collecting data from these subpopulations that are often "hidden" or hard-to-reach. However, use of these adaptive sampling approaches in the field of global immunization has not been systematically documented. We searched PubMed, Scopus, and Embase databases to identify eligible studies published through November 2020 that used an adaptive sampling method to collect immunization-related data. From the eligible studies, we extracted relevant data on their objectives, setting and target population, and sampling methods. We categorized sampling methods and assessed their frequencies. Twenty-three studies met the inclusion criteria out of the 3069 articles screened for eligibility. Peer-driven sampling was the most frequently used adaptive sampling method (57%), followed by geospatial sampling (30%), venue-based sampling (17%), ethnographic mapping (9%), and compact segment sampling (9%). Sixty-one percent of studies were conducted in upper-middle-income or high-income countries. Data on immunization uptake were collected in 65% of studies, and data on knowledge and attitudes about immunizations were collected in 57% of studies. We found limited use of adaptive sampling methods in measuring immunization coverage and understanding determinants of vaccination uptake. The current under-utilization of adaptive sampling approaches leaves much room for improvement in how immunization programs calibrate their strategies to reach "hidden" subpopulations. [ABSTRACT FROM AUTHOR]
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- 2023
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4. Religion as a social force in health: complexities and contradictions.
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Idler, Ellen, Jalloh, Mohamed F., Cochrane, James, and Blevins, John
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SOCIAL participation ,EVALUATION of medical care ,SPIRITUALITY ,SOCIAL factors ,PUBLIC health ,CULTURAL pluralism ,QUALITY of life ,RELIGIOUS institutions ,RELIGION ,SPIRITUAL care (Medical care) ,HEALTH promotion - Published
- 2023
5. Associations Between Mobility, Food Insecurity, and Transactional Sex Among Women in Cohabitating Partnerships: An Analysis From 6 African Countries 2016–2017.
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Khalifa, Aleya, Findley, Sally, Gummerson, Elizabeth, Mantell, Joanne E., Hakim, Avi J., Philip, Neena M., Ginindza, Choice, Hassani, Ahmed Saadani, Hong, Steven Y., Jalloh, Mohamed F., Kirungi, Wilford L., Maile, Limpho, Mgomella, George S., Miller, Leigh Ann, Minchella, Peter, Mutenda, Nicholus, Njau, Prosper, Schwitters, Amee, Ward, Jennifer, and Low, Andrea
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- 2022
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6. Correcting for selection bias in HIV prevalence estimates: an application of sample selection models using data from population‐based HIV surveys in seven sub‐Saharan African countries.
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Palma, Anton M., Marra, Giampiero, Bray, Rachel, Saito, Suzue, Awor, Anna Colletar, Jalloh, Mohamed F., Kailembo, Alexander, Kirungi, Wilford, Mgomella, George S., Njau, Prosper, Voetsch, Andrew C., Ward, Jennifer A., Bärnighausen, Till, and Harling, Guy
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HIV ,COPULA functions ,MISSING data (Statistics) ,HIV-positive persons ,HIV status - Abstract
Introduction: Population‐based biomarker surveys are the gold standard for estimating HIV prevalence but are susceptible to substantial non‐participation (up to 30%). Analytical missing data methods, including inverse‐probability weighting (IPW) and multiple imputation (MI), are biased when data are missing‐not‐at‐random, for example when people living with HIV more frequently decline participation. Heckman‐type selection models can, under certain assumptions, recover unbiased prevalence estimates in such scenarios. Methods: We pooled data from 142,706 participants aged 15–49 years from nationally representative cross‐sectional Population‐based HIV Impact Assessments in seven countries in sub‐Saharan Africa, conducted between 2015 and 2018 in Tanzania, Uganda, Malawi, Zambia, Zimbabwe, Lesotho and Eswatini. We compared sex‐stratified HIV prevalence estimates from unadjusted, IPW, MI and selection models, controlling for household and individual‐level predictors of non‐participation, and assessed the sensitivity of selection models to the copula function specifying the correlation between study participation and HIV status. Results: In total, 84.1% of participants provided a blood sample to determine HIV serostatus (range: 76% in Malawi to 95% in Uganda). HIV prevalence estimates from selection models diverged from IPW and MI models by up to 5% in Lesotho, without substantial precision loss. In Tanzania, the IPW model yielded lower HIV prevalence estimates among males than the best‐fitting copula selection model (3.8% vs. 7.9%). Conclusions: We demonstrate how HIV prevalence estimates from selection models can differ from those obtained under missing‐at‐random assumptions. Further benefits include exploration of plausible relationships between participation and outcome. While selection models require additional assumptions and careful specification, they are an important tool for triangulating prevalence estimates in surveys with substantial missing data due to non‐participation. [ABSTRACT FROM AUTHOR]
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- 2022
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7. Evaluation of Community Perceptions and Prevention Practices Related to Ebola Virus as Part of Outbreak Preparedness in Uganda, 2020.
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Musaazi, Joseph, Namageyo-Funa, Apophia, Carter, Victoria M., Carter, Rosalind J., Lamorde, Mohammed, Apondi, Rose, Bakyaita, Tabley, Boore, Amy L., Brown, Vance R., Homsy, Jaco, Kigozi, Joanita, Koyuncu, Aybüke, Nabaggala, Maria Sarah, Nakate, Vivian, Nkurunziza, Emmanuel, Stowell, Daniel F., Walwema, Richard, Olowo, Apollo, and Jalloh, Mohamed F.
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- 2022
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8. Role of Information Sources in Vaccination Uptake: Insights From a Cross-Sectional Household Survey in Sierra Leone, 2019.
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Kulkarni, Shibani, Sengeh, Paul, Eboh, Victor, Jalloh, Mohammad B., Conteh, Lansana, Sesay, Tom, Ibrahim, Ngobeh, Manneh, Pa Ousman, Kaiser, Reinhard, Jinnai, Yuka, Wallace, Aaron S., Prybylski, Dimitri, and Jalloh, Mohamed F.
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- 2022
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9. Drivers of COVID-19 policy stringency in 175 countries and territories: COVID-19 cases and deaths, gross domestic products per capita, and health expenditures.
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Jalloh, Mohamed F., Zeebari, Zangin, Nur, Sophia A., Prybylski, Dimitri, Nur, Aasli A., Hakim, Avi J., Winters, Maike, Steinhardt, Laura C., Gatei, Wangeci, Omer, Saad B., Brewer, Noel T., and Nordenstedt, Helena
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Background New data on COVID-19 may influence the stringency of containment policies, but these potential effect are not understood. We aimed to understand the associations of new COVID-19 cases and deaths with policy stringency globally and regionally. Methods We modelled the marginal effects of new COVID-19 cases and deaths on policy stringency (scored 0-100) in 175 countries and territories, adjusting for gross domestic product (GDP) per capita and health expenditure (% of GDP), and public expenditure on health. The time periods examined were March to August 2020, September 2020 to February 2021, and March to August 2021. Results Policy response to new cases and deaths was faster and more stringent early in the COVID-19 pandemic (March to August 2020) compared to subsequent periods. New deaths were more strongly associated with stringent policies than new cases. In an average week, one new death per 100 000 people was associated with a stringency increase of 2.1 units in the March to August 2020 period, 1.3 units in the September 2020 to February 2021 period, and 0.7 units in the March to August 2021 period. New deaths in Africa and the Western Pacific were associated with more stringency than in other regions. Higher health expenditure as a percentage of GDP was associated with less stringent policies. Similarly, higher public expenditure on health by governments was mostly associated with less stringency across all three periods. GDP per capita did not have consistent patterns of associations with stringency. Conclusions The stringency of COVID-19 policies was more strongly associated with new deaths than new cases. Our findings demonstrate the need for enhanced mortality surveillance to ensure policy alignment during health emergencies. Countries that invest less in health or have a lower public expenditure on health may be inclined to enact more stringent policies. This new empirical understanding of COVID-19 policy drivers can help public health officials anticipate and shape policy responses in future health emergencies. [ABSTRACT FROM AUTHOR]
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- 2022
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10. Association of community engagement with vaccination confidence and uptake: A cross-sectional survey in Sierra Leone, 2019.
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Jalloh, Mohamed F., Sengeh, Paul, Ibrahim, Ngobeh, Kulkarni, Shibani, Sesay, Tom, Eboh, Victor, Jalloh, Mohammad B., Pratt, Samuel Abu, Webber, Nance, Thomas, Harold, Kaiser, Reinhard, Singh, Tushar, Prybylski, Dimitri, Omer, Saad B., Brewer, Noel T., and Wallace, Aaron S.
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Background The 2014-2016 Ebola epidemic disrupted childhood immunization in Sierra Leone, Liberia, and Guinea. After the epidemic, the Government of Sierra Leone prioritized community engagement to increase vaccination confidence and uptake. To support these efforts, we examined potential drivers of vaccination confidence and uptake in Sierra Leone. Methods We conducted a population-based household survey with primary caregivers of children in a birth cohort of 12 to 23 months in four districts with low vaccination coverage in Sierra Leone in 2019. Modified Poisson regression modeling with robust variance estimation was used to examine if perceived community engagement in planning the immunization program in the community was associated with vaccination confidence and having a fully vaccinated child. Results The sample comprised 621 age-eligible children and their caregivers (91% response rate). Half of the caregivers (52%) reported that it usually takes too long to get to the vaccination site, and 36% perceived that health workers expect money for vaccination services that are supposed to be given at no charge. When mothers were the decision-makers of the children's vaccination, 80% of the children were fully vaccinated versus 69% when fathers were the decision-makers and 56% when other relatives were the decision-makers. Caregivers with high confidence in vaccination were more likely to have fully vaccinated children compared to caregivers with low confidence (78% versus 53%). For example, caregivers who thought vaccines are 'very much' safe were more likely to have fully vaccinated children than those who thought vaccines are 'somewhat' safe (76% versus 48%). Overall, 53% of caregivers perceived high level of community engagement, 41% perceived medium level of engagement, and 6% perceived low level of engagement. Perceiving high community engagement was associated with expressing high vaccination confidence (adjusted prevalence ratio (aPR) = 2.60; 95% confidence interval (CI) = 1.67-4.04) and having a fully vaccinated child (aPR = 1.67; 95% CI = 1.18-2.38). Conclusions In these four low coverage districts in Sierra Leone, the perceived level of community engagement was strongly associated with vaccination confidence among caregivers and vaccination uptake among children. We have provided exploratory cross-sectional evidence to inform future longitudinal assessments to further investigate the potential causal effect of community engagement on vaccination confidence and uptake. [ABSTRACT FROM AUTHOR]
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- 2022
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11. A review and agenda for integrated disease models including social and behavioural factors.
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Bedson, Jamie, Skrip, Laura A., Pedi, Danielle, Abramowitz, Sharon, Carter, Simone, Jalloh, Mohamed F., Funk, Sebastian, Gobat, Nina, Giles-Vernick, Tamara, Chowell, Gerardo, de Almeida, João Rangel, Elessawi, Rania, Scarpino, Samuel V., Hammond, Ross A., Briand, Sylvie, Epstein, Joshua M., Hébert-Dufresne, Laurent, and Althouse, Benjamin M.
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- 2021
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12. Trends in classifying vaccine hesitancy reasons reported in the WHO/UNICEF Joint Reporting Form, 2014–2017: Use and comparability of the Vaccine Hesitancy Matrix.
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Kulkarni, Shibani, Harvey, Bonnie, Prybylski, Dimitri, and Jalloh, Mohamed F.
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- 2021
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13. Evaluation of health system readiness and coverage of intermittent preventive treatment of malaria in infants (IPTi) in Kambia district to inform national scale-up in Sierra Leone.
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Lahuerta, Maria, Sutton, Roberta, Mansaray, Anthony, Eleeza, Oliver, Gleason, Brigette, Akinjeji, Adewale, Jalloh, Mohamed F., Toure, Mame, Kassa, Getachew, Meshnick, Steven R., Deutsch-Feldman, Molly, Parmley, Lauren, Friedman, Michael, Smith, Samuel Juana, Rabkin, Miriam, and Steinhardt, Laura
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MALARIA ,INFANTS ,TIME series analysis ,HEALTH facilities ,POISSON regression - Abstract
Background: Intermittent preventive treatment of malaria in infants (IPTi) with sulfadoxine-pyrimethamine (SP) is a proven strategy to protect infants against malaria. Sierra Leone is the first country to implement IPTi nationwide. IPTi implementation was evaluated in Kambia, one of two initial pilot districts, to assess quality and coverage of IPTi services. Methods: This mixed-methods evaluation had two phases, conducted 3 (phase 1) and 15–17 months (phase 2) after IPTi implementation. Methods included: assessments of 18 health facilities (HF), including register data abstraction (phases 1 and 2); a knowledge, attitudes and practices survey with 20 health workers (HWs) in phase 1; second-generation sequencing of SP resistance markers (pre-IPTi and phase 2); and a cluster-sample household survey among caregivers of children aged 3–15 months (phase 2). IPTi and vaccination coverage from the household survey were calculated from child health cards and maternal recall and weighted for the complex sampling design. Interrupted time series analysis using a Poisson regression model was used to assess changes in malaria cases at HF before and after IPTi implementation. Results: Most HWs (19/20) interviewed had been trained on IPTi; 16/19 reported feeling well prepared to administer it. Nearly all HFs (17/18 in phase 1; 18/18 in phase 2) had SP for IPTi in stock. The proportion of parasite alleles with dhps K540E mutations increased but remained below the 50% WHO-recommended threshold for IPTi (4.1% pre-IPTi [95%CI 2–7%]; 11% post-IPTi [95%CI 8–15%], p < 0.01). From the household survey, 299/459 (67.4%) children ≥ 10 weeks old received the first dose of IPTi (versus 80.4% for second pentavalent vaccine, given simultaneously); 274/444 (62.5%) children ≥ 14 weeks old received the second IPTi dose (versus 65.4% for third pentavalent vaccine); and 83/217 (36.4%) children ≥ 9 months old received the third IPTi dose (versus 52.2% for first measles vaccine dose). HF register data indicated no change in confirmed malaria cases among infants after IPTi implementation. Conclusions: Kambia district was able to scale up IPTi swiftly and provide necessary health systems support. The gaps between IPTi and childhood vaccine coverage need to be further investigated and addressed to optimize the success of the national IPTi programme. [ABSTRACT FROM AUTHOR]
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- 2021
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14. Risk perception during the 2014-2015 Ebola outbreak in Sierra Leone.
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Winters, Maike, Jalloh, Mohamed F., Sengeh, Paul, Jalloh, Mohammad B., Zeebari, Zangin, and Nordenstedt, Helena
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RISK perception ,EBOLA virus disease ,EPIDEMIOLOGY ,WORLD health ,DISEASE outbreaks - Abstract
Background: Perceived susceptibility to a disease threat (risk perception) can influence protective behaviour. This study aims to determine how exposure to information sources, knowledge and behaviours potentially influenced risk perceptions during the 2014-2015 Ebola Virus Disease outbreak in Sierra Leone.Methods: The study is based on three cross-sectional, national surveys (August 2014, n = 1413; October 2014, n = 2086; December 2014, n = 3540) that measured Ebola-related knowledge, attitudes, and practices in Sierra Leone. Data were pooled and composite variables were created for knowledge, misconceptions and three Ebola-specific behaviours. Risk perception was measured using a Likert-item and dichotomised into 'no risk perception' and 'some risk perception'. Exposure to five information sources was dichotomised into a binary variable for exposed and unexposed. Multilevel logistic regression models were fitted to examine various associations.Results: Exposure to new media (e.g. internet) and community-level information sources (e.g. religious leaders) were positively associated with expressing risk perception. Ebola-specific knowledge and hand washing were positively associated with expressing risk perception (Adjusted OR [AOR] 1.4, 95% Confidence Interval [CI] 1.2-1.8 and AOR 1.4, 95% CI 1.1-1.7 respectively), whereas misconceptions and avoiding burials were negatively associated with risk perception, (AOR 0.7, 95% CI 0.6-0.8 and AOR 0.8, 95% CI 06-1.0, respectively).Conclusions: Our results illustrate the complexity of how individuals perceived their Ebola acquisition risk based on the way they received information, what they knew about Ebola, and actions they took to protect themselves. Community-level information sources may help to align the public's perceived risk with their actual epidemiological risk. As part of global health security efforts, increased investments are needed for community-level engagements that allow for two-way communication during health emergencies. [ABSTRACT FROM AUTHOR]- Published
- 2020
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15. National reporting of deaths after enhanced Ebola surveillance in Sierra Leone.
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Jalloh, Mohamed F., Kaiser, Reinhard, Diop, Mariam, Jambai, Amara, Redd, John T., Bunnell, Rebecca E., Castle, Evelyn, Alpren, Charles, Hersey, Sara, Ekström, Anna Mia, and Nordenstedt, Helena
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DEATH rate ,EBOLA virus disease ,VITAL statistics ,MASS mobilization ,MOTIVATION (Psychology) - Abstract
Background: Sierra Leone experienced the largest documented epidemic of Ebola Virus Disease in 2014–2015. The government implemented a national tollfree telephone line (1-1-7) for public reporting of illness and deaths to improve the detection of Ebola cases. Reporting of deaths declined substantially after the epidemic ended. To inform routine mortality surveillance, we aimed to describe the trends in deaths reported to the 1-1-7 system and to quantify people's motivations to continue reporting deaths after the epidemic. Methods: First, we described the monthly trends in the number of deaths reported to the 1-1-7 system between September 2014 and September 2019. Second, we conducted a telephone survey in April 2017 with a national sample of individuals who reported a death to the 1-1-7 system between December 2016 and April 2017. We described the reported deaths and used ordered logistic regression modeling to examine the potential drivers of reporting motivations. Findings: Analysis of the number of deaths reported to the 1-1-7 system showed that 12% of the expected deaths were captured in 2017 compared to approximately 34% in 2016 and over 100% in 2015. We interviewed 1,291 death reporters in the survey. Family members reported 56% of the deaths. Nearly every respondent (94%) expressed that they wanted the 1-1-7 system to continue. The most common motivation to report was to obey the government's mandate (82%). Respondents felt more motivated to report if the decedent exhibited Ebola-like symptoms (adjusted odds ratio 2.3; 95% confidence interval 1.8–2.9). Conclusions: Motivation to report deaths that resembled Ebola in the post-outbreak setting may have been influenced by knowledge and experiences from the prolonged epidemic. Transitioning the system to a routine mortality surveillance tool may require a robust social mobilization component to match the high reporting levels during the epidemic, which exceeded more than 100% of expected deaths in 2015. Author summary: By November 2015 when the World Health Organization declared the Ebola epidemic in Sierra Leone to be over, approximately 95% of the population had become aware of the risk of Ebola transmission linked to physical contact with infected corpses, especially during traditional burials. Enhanced Ebola surveillance was implemented between November 2015 and June 2016, i.e. after the epidemic had officially ended to improve detection of possible new cases. Reporting to the 1-1-7 system declined nationally after enhanced Ebola surveillance ended even though the Government of Sierra Leone continued to mandate that all deaths must be reported. Based on a request from the Sierra Leone Ministry of Health, we conducted a telephone survey with a national sample of people who had reported a death in 2017 after the end of enhanced surveillance to understand their motivations for reporting and describe the deaths that they reported. In addition, we analyzed the five-year trends (2014–2019) in the number of deaths reported through the system. Analysis of monthly summary data of deaths reported showed that on the last month of enhanced surveillance, 3,851 deaths were reported compared to 2,456 deaths in the month immediately after (July 2016). The monthly numbers of reported deaths continued to plummet and reached as low as 1,550 in January 2017, 673 in January 2018, and 586 in January 2019. In the survey, we uncovered that people who reported deaths were mainly motivated to do so in order to comply with the Government's mandate. After adjusting for potential confounders, motivations to report were strongly associated with the presence of Ebola-like symptoms in the decedent. Additional investigations are needed to unveil reporting barriers among people who failed to report household deaths to the 1-1-7 system to optimize reporting levels. It has been shown that during the Ebola epidemic that it is possible to reach high levels of death reporting in Sierra Leone as exemplified by the fact that in 2015 more than 100% of the expected deaths nationally were reported; albeit not counting potential duplicates. The post-Ebola-outbreak setting provides a unique opportunity to improve future overall mortality surveillance in Sierra Leone and contribute to the establishment of civil registration of vital statistics. [ABSTRACT FROM AUTHOR]
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- 2020
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16. Access, demand, and utilization of childhood immunization services: A cross-sectional household survey in Western Area Urban district, Sierra Leone, 2019.
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Feldstein, Leora R., Sutton, Roberta, Jalloh, Mohamed F., Parmley, Lauren, Lahuerta, Maria, Akinjeji, Adewale, Mansaray, Anthony, Eleeza, Oliver, Sesay, Tom, Kulkarni, Shibani, Conklin, Laura, and Wallace, Aaron S.
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POVERTY areas ,ATTITUDE (Psychology) ,BIRTH order ,CAREGIVERS ,CHI-squared test ,CONFIDENCE intervals ,DPT vaccines ,EMPLOYMENT ,EPIDEMICS ,FAMILIES ,HEALTH services accessibility ,IMMUNIZATION ,IMMUNIZATION of children ,INTERVIEWING ,MEASLES ,MEDICAL needs assessment ,MEDICAL care use ,MEDICAL protocols ,MEMORY ,METROPOLITAN areas ,MULTIVARIATE analysis ,QUESTIONNAIRES ,STATISTICAL sampling ,SELF-evaluation ,STATISTICS ,SURVEYS ,TRANSPORTATION ,VACCINATION ,WATER supply ,LOGISTIC regression analysis ,CROSS-sectional method ,HEALTH literacy ,DATA analysis software ,DESCRIPTIVE statistics ,ODDS ratio - Abstract
Background: Urban childhood immunization programs face unique challenges in access, utilization, and demand due to frequent population movement between and within localities, sprawling informal settlements, and population heterogeneity. We conducted a cross-sectional household survey in the Western Area Urban district, Sierra Leone, stratified by slums and non-slums as defined by the United Nations Development Program.Methods: Based on data from child vaccination cards, weighted vaccination coverage was estimated from 450 children aged 12-36 months (household response rate = 83%). Interviews with 444 caregivers identified factors related to accessing routine immunization services. Factors associated with coverage in bivariate analyses were examined in multivariate models using backward stepwise procedure.Results: Coverage was similar in slums and non-slums for 3-doses of diphtheria-tetanus-pertussis-hepatitis B-Haemophilus influenzae type b (pentavalent) vaccine (86%, 92%) and second dose of measles vaccine (33%, 29%). In a multivariate logistic regression model, incomplete pentavalent vaccine coverage was associated with being second or later birth order (adjusted odds ratio (aOR) = 4.5 (95% confidence interval (CI) = 1.4-14.9), a household member not approving of childhood vaccinations (aOR = 7.55, 95% CI = 1.52-37.38), self-reported delay of child receiving recommended vaccinations (aOR = 4.8, 95% CI = 1.0-22.1), and living in a household made of natural or rudimentary materials (aOR = 3.5, 95% CI = 1.2-10.6). Overall, the majority (>70%) of caregivers reported occupation as petty trader and <50% reported receiving vaccination information via preferred communication sources.Conclusions: Although vaccination coverage in slums was similar to non-slums, study findings support the need for targeted interventions to improve coverage, especially for the second dose of measles vaccine to avoid large scale measles outbreaks. Strategies should focus on educating household members via preferred communication channels regarding the importance of receiving childhood vaccinations on time for all offspring, not just the first born. Vaccination coverage could be further improved by increasing accessibility through innovative strategies such as increasing the number of vaccination days and modifying hours. [ABSTRACT FROM AUTHOR]- Published
- 2020
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17. Mobilize to vaccinate: lessons learned from social mobilization for immunization in low and middle-income countries.
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Jalloh, Mohamed F., Wilhelm, Elisabeth, Abad, Neetu, and Prybylski, Dimitri
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- 2020
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18. Health workers' perceptions and challenges in implementing meningococcal serogroup a conjugate vaccine in the routine childhood immunization schedule in Burkina Faso.
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Nkwenkeu, Sylvain F., Jalloh, Mohamed F., Walldorf, Jenny A., Zoma, Robert L., Tarbangdo, Felix, Fall, Soukeynatou, Hien, Sansan, Combassere, Roland, Ky, Cesaire, Kambou, Ludovic, Diallo, Alpha Oumar, Krishnaswamy, Akshaya, Aké, Flavien H., Hatcher, Cynthia, Patel, Jaymin C., Medah, Isaïe, Novak, Ryan T., Hyde, Terri B., Soeters, Heidi M., and Mirza, Imran
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MENINGOCOCCAL infections ,MENINGOCOCCAL vaccines ,MEASLES vaccines ,VACCINATION ,MEDICAL personnel - Abstract
Background: Meningococcal serogroup A conjugate vaccine (MACV) was introduced in 2017 into the routine childhood immunization schedule (at 15-18 months of age) in Burkina Faso to help reduce meningococcal meningitis burden. MACV was scheduled to be co-administered with the second dose of measles-containing vaccine (MCV2), a vaccine already in the national schedule. One year following the introduction of MACV, an assessment was conducted to qualitatively examine health workers' perceptions of MACV introduction, identify barriers to uptake, and explore opportunities to improve coverage.Methods: Twelve in-depth interviews were conducted with different cadres of health workers in four purposively selected districts in Burkina Faso. Districts were selected to include urban and rural areas as well as high and low MCV2 coverage areas. Respondents included health workers at the following levels: regional health managers (n = 4), district health managers (n = 4), and frontline healthcare providers (n = 4). All interviews were recorded, transcribed, and thematically analyzed using qualitative content analysis.Results: Four themes emerged around supply and health systems barriers, demand-related barriers, specific challenges related to MACV and MCV2 co-administration, and motivations and efforts to improve vaccination coverage. Supply and health systems barriers included aging cold chain equipment, staff shortages, overworked and poorly trained staff, insufficient supplies and financial resources, and challenges with implementing community outreach activities. Health workers largely viewed MACV introduction as a source of motivation for caregivers to bring their children for the 15- to 18-month visit. However, they also pointed to demand barriers, including cultural practices that sometimes discourage vaccination, misconceptions about vaccines, and religious beliefs. Challenges in co-administering MACV and MCV2 were mainly related to reluctance among health workers to open multi-dose vials unless enough children were present to avoid wastage.Conclusions: To improve effective administration of vaccines in the second-year of life, adequate operational and programmatic planning, training, communication, and monitoring are necessary. Moreover, clear policy communication is needed to help ensure that health workers do not refrain from opening multi-dose vials for small numbers of children. [ABSTRACT FROM AUTHOR]- Published
- 2020
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19. Faith and Global Health Practice in Ebola and HIV Emergencies.
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Blevins, John B., Jalloh, Mohamed F., and Robinson, David A.
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HEALTH ,EBOLA virus ,FAITH ,HIV ,INTERMENT ,WORLD health ,MEDICAL emergencies ,AIDS ,CHRISTIANITY ,RELIGION ,HIV infection epidemiology ,COMMUNITY health services ,EBOLA virus disease ,EPIDEMICS ,HEALTH attitudes ,HEALTH education ,RELIGION & medicine ,PUBLIC health ,RACISM ,RELIGIOUS institutions ,SOCIAL stigma - Abstract
We examined the relationship between religion and health by highlighting the influences of religion on the response to the 2014 to 2016 Ebola outbreak and the global HIV epidemic. We recounted the influences of religion on burial practices developed as an infection control measure during the Ebola outbreak in West Africa. We also explored the influence of religion on community outreach and health education. We examined faith-based responses to the global HIV/AIDS pandemic, noting that religion conflicted with public health responses to HIV (e.g., justification for HIV-related stigma) or aligned with public health as a force for improved HIV responses (e.g., providing HIV services or providing social capital and cohesion to support advocacy efforts). We further discussed the similarities and differences between the influence of religion during the HIV/AIDS pandemic and the 2014 to 2016 Ebola outbreak. We then described lessons learned from Ebola and HIV/AIDS to better inform collaboration with religious actors. [ABSTRACT FROM AUTHOR]
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- 2019
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20. Risk Communication and Ebola-Specific Knowledge and Behavior during 2014-2015 Outbreak, Sierra Leone.
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Winters, Maike, Jalloh, Mohamed F., Sengeh, Paul, Jalloh, Mohammad B., Conteh, Lansana, Bunnell, Rebecca, Wenshu Li, Zeebari, Zangin, Nordenstedt, Helena, and Li, Wenshu
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EBOLA viral disease transmission ,HEALTH risk assessment ,PUBLIC health ,LOGISTIC regression analysis ,MEDICAL informatics - Abstract
We assessed the effect of information sources on Ebola-specific knowledge and behavior during the 2014-2015 Ebola virus disease outbreak in Sierra Leone. We pooled data from 4 population-based knowledge, attitude, and practice surveys (August, October, and December 2014 and July 2015), with a total of 10,604 respondents. We created composite variables for exposures (information sources: electronic, print, new media, government, community) and outcomes (knowledge and misconceptions, protective and risk behavior) and tested associations by using logistic regression within multilevel modeling. Exposure to information sources was associated with higher knowledge and protective behaviors. However, apart from print media, exposure to information sources was also linked to misconceptions and risk behavior, but with weaker associations observed. Knowledge and protective behavior were associated with the outbreak level, most strongly after the peak, whereas risk behavior was seen at all levels of the outbreak. In future outbreaks, close attention should be paid to dissemination of information. [ABSTRACT FROM AUTHOR]
- Published
- 2018
- Full Text
- View/download PDF
21. Knowledge, Attitudes, and Practices Related to Ebola Virus Disease at the End of a National Epidemic - Guinea, August 2015.
- Author
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Jalloh, Mohamed F., Robinson, Susan J., Corker, Jamaica, Wenshu Li, Irwin, Kathleen, Barry, Alpha M., Ngalame Ntuba, Paulyne, Diallo, Alpha A., Jalloh, Mohammad B., Nyuma, James, Sellu, Musa, VanSteelandt, Amanda, Ramsden, Megan, Tracy, LaRee, Raghunathan, Pratima L., Redd, John T., Martel, Lise, Marston, Barbara, Bunnell, Rebecca, and Li, Wenshu
- Subjects
EBOLA virus disease ,EBOLA virus ,PUBLIC health ,VIRUS disease transmission ,HAND washing - Abstract
Health communication and social mobilization efforts to improve the public's knowledge, attitudes, and practices (KAP) regarding Ebola virus disease (Ebola) were important in controlling the 2014-2016 Ebola epidemic in Guinea (1), which resulted in 3,814 reported Ebola cases and 2,544 deaths.* Most Ebola cases in Guinea resulted from the washing and touching of persons and corpses infected with Ebola without adequate infection control precautions at home, at funerals, and in health facilities (2,3). As the 18-month epidemic waned in August 2015, Ebola KAP were assessed in a survey among residents of Guinea recruited through multistage cluster sampling procedures in the nation's eight administrative regions (Boké, Conakry, Faranah, Kankan, Kindia, Labé, Mamou, and Nzérékoré). Nearly all participants (92%) were aware of Ebola prevention measures, but 27% believed that Ebola could be transmitted by ambient air, and 49% believed they could protect themselves from Ebola by avoiding mosquito bites. Of the participants, 95% reported taking actions to avoid getting Ebola, especially more frequent handwashing (93%). Nearly all participants (91%) indicated they would send relatives with suspected Ebola to Ebola treatment centers, and 89% said they would engage special Ebola burial teams to remove corpses with suspected Ebola from homes. Of the participants, 66% said they would prefer to observe an Ebola-affected corpse from a safe distance at burials rather than practice traditional funeral rites involving corpse contact. The findings were used to guide the ongoing epidemic response and recovery efforts, including health communication, social mobilization, and planning, to prevent and respond to future outbreaks or sporadic cases of Ebola. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
22. Assessments of Ebola knowledge, attitudes and practices in Fore´cariah, Guinea and Kambia, Sierra Leone, July-August 2015.
- Author
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Jalloh, Mohamed F., Bunnell, Rebecca, Robinson, Susan, Jalloh, Mohammad B., Barry, Alpha Mamoudou, Corker, Jamaica, Sengeh, Paul, VanSteelandt, Amanda, Wenshu Li, Dafae, Foday, Diallo, Alpha Ahmadou, Martel, Lise D., Hersey, Sara, Marston, Barbara, Morgan, Oliver, and Redd, John T.
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SIERRA Leonean social conditions ,EBOLA virus ,CIVIC leaders ,PUBLIC health ,MEDICAL personnel - Abstract
The border region of Forécariah (Guinea) and Kambia (Sierra Leone) was of immense interest to the West Africa Ebola response. Cross-sectional household surveys with multi-stage cluster sampling procedure were used to collect random samples from Kambia (n = 635) in July 2015 and Foré cariah (n = 502) in August 2015 to assess public knowledge, attitudes and practices related to Ebola. Knowledge of the disease was high in both places, and handwashing with soap and water was the most widespread prevention practice. Acceptance of safe alternatives to traditional burials was significantly lower in Forécariah compared with Kambia. In both locations, there was a minority who held discriminatory attitudes towards survivors. Radio was the predominant source of information in both locations, but those from Kambia were more likely to have received Ebola information from community sources (mosques/churches, community meetings or health workers) compared with those in Forécariah. These findings contextualize the utility of Ebola health messaging during the epidemic and suggest the importance of continued partnership with community leaders, including religious leaders, as a prominent part of future public health protection. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
23. The Development of Standard Operating Procedures for Social Mobilization and Community Engagement in Sierra Leone During the West Africa Ebola Outbreak of 2014-2015.
- Author
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Pedi, Danielle, Gillespie, Amaya, Bedson, Jamie, Jalloh, Mohamed F., Jalloh, Mohammad B., Kamara, Alusine, Bertram, Kathryn, Owen, Katharine, Jalloh, Mohamed A., and Conte, Lansana
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STANDARD operating procedure ,EBOLA virus disease ,SOCIAL impact ,MASS mobilization ,COMMUNITIES ,INTERMENT -- Social aspects ,BEST practices ,SIERRA Leone social conditions, 1961- ,SOCIAL conditions in Africa - Abstract
This article describes the development of standard operating procedures (SOPs) for social mobilization and community engagement (SM/CE) in Sierra Leone during the Ebola outbreak of 2014–2015. It aims to (a) explain the rationale for a standardized approach, (b) describe the methodology used to develop the resulting SOPs, and (c) discuss the implications of the SOPs for future outbreak responses. Mixed methodologies were applied, including analysis of data on Ebola-related knowledge, attitudes, and practices; consultation through a national forum; and a series of workshops with more than 250 participants active in SM/CE in seven districts with recent confirmed cases. Specific challenges, best practices, and operational models were identified in relation to (a) the quality of SM/CE approaches; (b) coordination and operational structures; and (c) integration with Ebola services, including case management, burials, quarantine, and surveillance. This information was synthesized and codified into the SOPs, which include principles, roles, and actions for partners engaging in SM/CE as part of the Ebola response. This experience points to the need for a set of global principles and standards for meaningful SM/CE that can be rapidly adapted as a high-priority response component at the outset of future health and humanitarian crises. [ABSTRACT FROM PUBLISHER]
- Published
- 2017
- Full Text
- View/download PDF
24. Public Confidence in the Health Care System 1 Year After the Start of the Ebola Virus Disease Outbreak - Sierra Leone, July 2015.
- Author
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Li, Wenshu, Jalloh, Mohamed F, Bunnell, Rebecca, Aki-Sawyerr, Yvonne, Conteh, Lansana, Sengeh, Paul, Redd, John T, Hersey, Sara, Morgan, Oliver, Jalloh, Mohammad B, O'Leary, Ann, Burdette, Erin, and Hageman, Kathy
- Abstract
Ensuring confidence in the health care system has been a challenge to Ebola virus disease (Ebola) response and recovery efforts in Sierra Leone (1). A national multistage cluster-sampled household survey to assess knowledge, attitudes, and practices (KAP) related to Sierra Leone's health care system was conducted in July 2015. Among 3,564 respondents, 93% were confident that a health care facility could treat suspected Ebola cases, and approximately 90% had confidence in the health system's ability to provide non-Ebola services, including immunizations, antenatal care, and maternity care. Respondents in districts with ongoing Ebola transmission ("active districts") and respondents with higher educational levels reported more confidence in the health care system than did respondents in nonactive districts and respondents with less education. Active districts were the focus of the Ebola response; these districts implemented intensified social mobilization and communication efforts, and established district response centers, Ebola-specific health care facilities, and ambulances. Greater infrastructure and response capacity might have resulted in higher confidence in the health care system in these areas. Respondents ranked Ebola and malaria as the country's most important health issues. Health system recovery efforts in Sierra Leone can build on existing public confidence in the health system. [ABSTRACT FROM AUTHOR]
- Published
- 2016
- Full Text
- View/download PDF
25. Public Confidence in the Health Care System 1 Year After the Start of the Ebola Virus Disease Outbreak – Sierra Leone, July 2015.
- Author
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Wenshu Li, Jalloh, Mohamed F., Bunnell, Rebecca, Aki-Sawyerr, Yvonne, Conteh, Lansana, Sengeh, Paul, Redd, John T., Hersey, Sara, Morgan, Oliver, Jalloh, Mohammad B., O'Leary, Ann, Burdette, Erin, and Hageman, Kathy
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MEDICAL care ,EBOLA virus disease ,TREATMENT of Ebola virus diseases ,DISEASE outbreaks ,HEALTH facilities ,DISEASE risk factors - Abstract
The article discusses the outbreak of Ebola virus disease (Ebola) in Sierra Leone in July 2015 has challenged the healthcare system of the country especially in ensuring the public confidence over the response and recovery effort of the country. It mentions the knowledge, attitudes, and practices (KAP) survey has stated the treatment of suspected Ebola cases regarding a health care facility.
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- 2016
- Full Text
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26. Microbiological and Chemical Quality of Packaged Sachet Water and Household Stored Drinking Water in Freetown, Sierra Leone.
- Author
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Fisher, Michael B., Williams, Ashley R., Jalloh, Mohamed F., Saquee, George, Bain, Robert E. S., and Bartram, Jamie K.
- Subjects
DRINKING water ,SCENTED sachets ,PLASTIC bags ,WATER consumption - Abstract
Packaged drinking water (PW) sold in bottles and plastic bags/sachets is widely consumed in low- and middle-income countries (LMICs), and many urban users in sub-Saharan Africa (SSA) rely on packaged sachet water (PSW) as their primary source of water for consumption. However, few rigorous studies have investigated PSW quality in SSA, and none have compared PSW to stored household water for consumption (HWC). A clearer understanding of PSW quality in the context of alternative sources is needed to inform policy and regulation. As elsewhere in SSA, PSW is widely consumed in Sierra Leone, but government oversight is nearly nonexistent. This study examined the microbiological and chemical quality of a representative sample of PSW products in Freetown, Sierra Leone at packaged water manufacturing facilities (PWMFs) and at points of sale (POSs). Samples of HWC were also analyzed for comparison. The study did not find evidence of serious chemical contamination among the parameters studied. However, 19% of 45 PSW products sampled at the PWMF contained detectable Escherichia coli (EC), although only two samples exceeded 10 CFU/100 mL. Concentrations of total coliforms (TC) in PSW (but not EC) increased along the supply chain. Samples of HWC from 60 households in Freetown were significantly more likely to contain EC and TC than PSW at the point of production (p<0.01), and had significantly higher concentrations of both bacterial indicators (p<0.01). These results highlight the need for additional PSW regulation and surveillance, while demonstrating the need to prioritize the safety of HWC. At present, PSW may be the least unsafe option for many households. [ABSTRACT FROM AUTHOR]
- Published
- 2015
- Full Text
- View/download PDF
27. Reporting Deaths Among Children Aged <5 Years After the Ebola Virus Disease Epidemic - Bombali District, Sierra Leone, 2015-2016.
- Author
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Wilkinson, Amanda L., Kaiser, Reinhard, Jalloh, Mohamed F., Kamara, Mamudi, Blau, Dianna M., Raghunathan, Pratima L., Kamara, Alpha, Kamara, Umaru, Houston-Suluku, Nathaniel, Clarke, Kevin, Jambai, Amara, Redd, John T., Hersey, Sara, and Osaio-Kamara, Brima
- Subjects
EBOLA virus disease ,JUVENILE diseases ,PUBLIC health ,EPIDEMICS ,STILLBIRTH - Abstract
Mortality surveillance and vital registration are limited in Sierra Leone, a country with one of the highest mortality rates among children aged <5 years worldwide, approximately 120 deaths per 1,000 live births (1,2). To inform efforts to strengthen surveillance, stillbirths and deaths in children aged <5 years from multiple surveillance streams in Bombali Sebora chiefdom were retrospectively reviewed. In total, during January 2015-November 2016, 930 deaths in children aged <5 years were identified, representing 73.3% of the 1,269 deaths that were expected based on modeled estimates. The "117" telephone alert system established during the Ebola virus disease (Ebola) epidemic captured 683 (73.4%) of all reported deaths in children aged <5 years, and was the predominant reporting source for stillbirths (n = 172). In the absence of complete vital events registration, 117 call alerts markedly improved the completeness of reporting of stillbirths and deaths in children aged <5 years. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
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