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Despite being curable and preventable, tuberculosis (TB) affected 10 million people worldwide in 2020. In the seven highest TB burden countries, private providers account for more than two-thirds of initial care seeking. Closing gaps and finding the "missing people" with TB requires engagement of the private sector for better diagnostics and treatment. This review explores the efforts of a public-private partnership to enhance TB diagnostics in Nigeria, covering logistics and the distribution of GeneXpert machines and other diagnostic tools. Over three years, the Nigerian "hub and spoke" model led to a 28-fold increase in referrals of people with presumed TB in private diagnostic facilities. Various stakeholders' perspectives are also included, providing insight into opportunities and challenges of working with the private sector in this effort. As countries tackle the setbacks brought by COVID-19 and move towards reaching the End TB targets, partnerships such as these can strengthen the foundations of health systems., Competing Interests: The data on SHOPS Plus in this study is from a project that was funded through Sustaining Health Outcomes through the Private Sector (SHOPS) Plus, a 5-year cooperative agreement (AID-OAA-A-15-00067) funded by the United States Agency for International Development (USAID). The project strategically engages the private sector to improve health outcomes in family planning, HIV, maternal and child health, and other health areas., (© 2023 The Authors. Published by Elsevier Ltd.)

Nigeria has the second largest share of undiagnosed TB cases in the world and a large private health sector estimated to be the point of initial care-seeking for 67% of TB patients. There is evidence that COVID-19 restrictions disrupted private healthcare provision, but insufficient data on how private healthcare provision changed as a result of the pandemic. We conducted qualitative interviews and a survey to assess the impact of the pandemic, and government response on private healthcare provision, and the disruptions providers experienced, particularly for TB services. Using mixed methods, we targeted policymakers, and a network of clinical facilities, laboratories, community pharmacies, and medicine vendors in Kano and Lagos, Nigeria. We interviewed 11 policymakers, surveyed participants in 2,412 private facilities. Most (n = 1,676, 70%) facilities remained open during the initial lockdown period, and most (n = 1,667, 69%) offered TB screening. TB notifications dipped during the lockdown periods but quickly recovered. Clinical facilities reported disruptions in availability of medical supplies, staff, required renovations, patient volume and income. Few private providers (n = 119, 11% in Kano; n = 323, 25% in Lagos) offered any COVID-19 screening up to the time of the survey, as these were only available in designated facilities. These findings aligned with the interviews as policymakers reported a gradual return to pre-COVID services after initial disruptions and diversion of resources to the pandemic response. Our results show that COVID-19 and control measures had a temporary impact on private sector TB care. Although some facilities saw decreases in TB notifications, private facilities continued to provide care for individuals with TB who otherwise might have been unable to seek care in the public sector. Our findings highlight resilience in the private sector as they recovered fairly quickly from pandemic-related disruptions, and the important role private providers can play in supporting TB control efforts., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2023 Oga-Omenka et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)

Background: Assessing associated factors of pretreatment attrition and treatment delays among rifampicin-resistant tuberculosis (RR-TB) patients could serve as a valuable tool to control and prevent its community spread. We assessed the factors associated with pretreatment attrition and treatment initiation delays among RR-TB patients in Lagos, Nigeria., Methods: A retrospective cohort study was conducted involving secondary program data of RR-TB patients diagnosed using the Xpert MTB/RIF assay and initiated on treatment between 1 January 2015 and 31 December 2017 in Lagos. Factors associated with pretreatment attrition and treatment initiation delay were determined using logistic regression., Results: Of the 606 RR-TB patients diagnosed during the review period, 135 (22.3%) had pretreatment attrition. Previously treated TB patients had a 2.4-fold greater chance of having pretreatment attrition than new RR-TB patients (adjusted odds ratio 2.4 [95% confidence interval 1.2-5.0]). The median time to treatment initiation was 29 d (interquartile range [IQR] 18-49). It was longer for new RR-TB patients (49 d [IQR 36-59]) than previously treated TB patients (28 d [IQR 17-44]). A total of 47% had long treatment delays. Being newly diagnosed with RR-TB was associated with long treatment delays., Conclusions: The pretreatment attrition rate and proportion of RR-TB patients with treatment delays were high. Pragmatic approaches to address the high pretreatment attrition and treatment delays in Lagos, Nigeria, are urgently needed., (© The Author(s) 2022. Published by Oxford University Press on behalf of Royal Society of Tropical Medicine and Hygiene.)

Nigeria has a high burden of tuberculosis (TB) and low case detection rates. Nigeria's large private health sector footprint represents an untapped resource for combating the disease. To examine the quality of private sector contributions to TB, the USAID-funded Sustaining Health Outcomes through the Private Sector (SHOPS) Plus program evaluated adherence to national standards for management of presumptive and confirmed TB among the clinical facilities, laboratories, pharmacies, and drug shops it trained to deliver TB services. The study used a standardized patient (SP) survey methodology to measure case management protocol adherence among 837 private and 206 public providers in urban Lagos and Kano. It examined two different scenarios: a "textbook" case of presumptive TB and a treatment initiation case where SPs presented as referred patients with confirmed TB diagnoses. Private sector results were benchmarked against public sector results. A bottleneck analysis examined protocol adherence departures at key points along the case management sequence that providers were trained to follow. Except for laboratories, few providers met the criteria for fully correct management of presumptive TB, though more than 70% of providers correctly engaged in TB screening. In the treatment initiation case 18% of clinical providers demonstrated fully correct case management. Private and public providers' adherence was not significantly different. Bottleneck analysis revealed that the most common deviations from correct management were failure to initiate sputum collection for presumptive patients and failure to conduct sufficiently thorough treatment initiation counseling for confirmed patients. This study found the quality of private providers' TB case management to be comparable to public providers in Nigeria, as well as to providers in other high burden countries. Findings support continued efforts to include private providers in Nigeria's national TB program. Though most providers fell short of desired quality, the bottleneck analysis points to specific issues that TB stakeholders can feasibly address with system- and provider-level interventions., Competing Interests: I have read the journal’s policy and the authors of this manuscript have the following competing interests: authors AOA and CO were employees of USAID, the funder of the research and of the SHOPS Plus project; authors BOF, AAA, and FN were employees of the SHOPS Plus project in Nigeria, which implemented the intervention studied in this research; the SHOPS Plus project is implemented by Abt Associates globally and authors LAR, SF, BJ, EMB, and MKS are employees of Abt Associates., (Copyright: This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication.)

Background: Multimorbidity is increasingly being recognized as a serious public health concern in the control of both drug-susceptible and drug-resistant tuberculosis (DR-TB). This study assessed the pattern of comorbidities and their prevalence in DR-TB patients at treatment initiation in Lagos, Nigeria., Methods: A cross-sectional study was conducted. The baseline laboratory records (human immunodeficiency virus [HIV] status, fasting blood sugar, audiometry, thyroid function tests, serum electrolyte, haemoglobin level and pregnancy test) of DR-TB patients initiated on treatment in Lagos, Nigeria between 1 August 2014 and 31 March 2017 were reviewed., Results: A total of 565 DR-TB patients' laboratory records were reviewed, of which 397 (70.3%) had comorbidities. The proportion with one, two, three and four comorbidities was 60.2%, 29.7%, 8.1% and 2.0%, respectively. Anaemia was the most common (48.1%) comorbid condition, while anaemia and hypokalaemia (7.3%), anaemia and hypothyroidism (6.5%) and anaemia and HIV (5%) were most common among patients with more than one comorbid condition. DR-TB patients with comorbidity were significantly older (34.8±12.3 y) than those without comorbidity (32.0±12.8 y) (p=0.038). Of the 176 females in the reproductive age group, 8 (4.5%) were pregnant at baseline., Conclusions: The prevalence of comorbidity among DR-TB patients was high. There is a need for the national TB program to expand its DR-TB council of experts and also integrate reproductive health services into DR-TB management in Nigeria., (© The Author(s) 2020. Published by Oxford University Press on behalf of Royal Society of Tropical Medicine and Hygiene.)

Background: Nigeria is one of the 30 high burden countries for drug resistant tuberculosis (DR-TB). This study assessed the prevalence and factors associated with rifampicin resistant tuberculosis (RR-TB) in a secondary referral hospital in Lagos State Nigeria., Methods: A retrospective review of presumptive TB register of patients screened for Mycobacterium tuberculosis (MTB) and RR-TB using Xpert MTB/RIF assay at Mainland hospital between January 1 2012 and December 31 2016 was conducted., Results: A total of 2497 clients were screened for MTB and RR-TB during the study period. The majority (51.4%) were between 25 - 44 years. Male: Female ratio was 1:0.8. Of the 2497 clients screened, MTB was detected in 942 (37.7%) out of which 220 (23.4%) had RR-TB. Age (AOR 1.8, 95%CI 1.3- 2.6, p = 0.001), symptomatic contact with DR-TB patients (AOR 3.3, 95%CI 2.1-5.1, p <0.001) and type of TB (AOR 2.9, 95% CI 1.7 - 5.0, <0.001) were associated with RR-TB after adjusting for age, gender, HIV status and symptomatic contacts with DR-TB patients., Conclusion: The prevalence of RR-TB in new and previously treated TB patients was high in this study. Urgent steps are needed to avert an impending RR-TB epidemic.