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Background: Conducting HIV surveys in resource-limited settings is challenging because of logistics, limited availability of trained personnel, and complexity of testing. We described the procedures and systems deemed critical to ensure high-quality laboratory data in the population-based HIV impact assessments and large-scale household surveys.
Methods: Laboratory professionals were engaged in every stage of the surveys, including protocol development, site assessments, procurement, training, quality assurance, monitoring, analysis, and reporting writing. A tiered network of household, satellite laboratories, and central laboratories, accompanied with trainings, optimized process for blood specimen collection, storage, transport, and real-time monitoring of specimen quality, and test results at each level proved critical in maintaining specimen integrity and high-quality testing. A plausibility review of aggregate merged data was conducted to confirm associations between key variables as a final quality check for quality of laboratory results.
Results: Overall, we conducted a hands-on training for 3355 survey staff across 13 surveys, with 160-387 personnel trained per survey on biomarker processes. Extensive training and monitoring demonstrated that overall, 99% of specimens had adequate volume and 99.8% had no hemolysis, indicating high quality. We implemented quality control and proficiency testing for testing, resolved discrepancies, verified >300 Pima CD4 instruments, and monitored user errors. Aggregate data review for plausibility further confirmed the high quality of testing.
Conclusions: Ongoing engagement of laboratory personnel to oversee processes at all levels of the surveys is critical for successful national surveys. High-quality population-based HIV impact assessments laboratory data ensured reliable results and demonstrated the impact of HIV programs in 13 countries.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10966620 | PMC |
http://dx.doi.org/10.1097/QAI.0000000000002702 | DOI Listing |
J Med Virol
December 2024
National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
A thorough and precise comprehension understanding of the HIV epidemic is crucial for effective HIV prevention and control. This study aimed to update the estimates of the overall HIV burden in China in 2018 and to assess the trends of HIV prevalence, incidence, and mortality from 1985 to 2018. The Estimation and Projection Package (EPP)/Spectrum software was utilized for estimation, a method highly recommended by UNAIDS.
View Article and Find Full Text PDFCancer Control
December 2024
Department of Pathology and Microbiology, School of Medicine, University of Zambia, Lusaka, Zambia.
Background: Despite Zambia implementing the World Health Organisation's (WHO) tri-pillar cervical cancer prevention goals 90-70-90 Prevent, Screen, and Treat, cervical cancer claims 2000 lives annually and reigns as the most common cancer among women, especially those living with HIV (WLHIV). Our study describes the national uptake of screening and treatment from the ZAMPHIA 2021 survey.
Methods: Utilising a two-stage cluster sampling approach, the study included participants aged 15 years and older across Zambia's ten provinces.
AIDS Res Hum Retroviruses
December 2024
South Carolina SmatState Center for Healthcare Quality, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, USA.
Monitoring HIV viral rebound (VR) is crucial, as it indicates an increased risk of infection, transmission, disease progression, and drug resistance. This study aims to identify the association between dynamic VR and historical viral load (VL)/CD4 count measures. A 15-year South Carolina population-based electronic health record data were used for the study.
View Article and Find Full Text PDFBiometrics
October 2024
Department of Statistics, The Pennsylvania State University, University Park, PA 16802, United States.
Estimating new HIV infections is significant yet challenging due to the difficulty in distinguishing between recent and long-term infections. We demonstrate that HIV recency status (recent versus long-term) could be determined from self-report testing history and biomarkers, which are increasingly available in bio-behavioral surveys. HIV recency status is partially observed, given the self-report testing history.
View Article and Find Full Text PDFOpen Forum Infect Dis
December 2024
Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.
Background: Social app recruiting-based and peer-led testing strategies have been proven effective in increasing human immunodeficiency virus (HIV) testing among men who have sex with men (MSM), though their combination remains underevaluated. We aimed to assess the efficiency of a combined strategy named "standardly trained peer volunteer-led, social app recruiting-based HIV testing strategy using rapid testing kits" (SPARK).
Methods: Between March 2020 and December 2021, 177 trained peer volunteers tested 7256 eligible MSM testers.
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