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Drug resistance

HIV Drug Resistance Remains a Significant Challenge in Sub-Saharan Africa

Strategic Insights

— 1 min read

Investigations in sub-Saharan Africa (SSA) have highlighted the persistence of HIV drug resistance (HIVDR) as a critical challenge in the region. Despite efforts to combat the issue, HIVDR remains a significant hurdle in SSA due to limited effective treatment and healthcare resources. Researchers have conducted a study using the first widely available HIVDR surveillance data in SSA, analyzing the prevalence and associated factors of HIVDR among persons on antiretroviral therapy (ART) between 2015 and 2019.

Key Takeaways:

  • HIV drug resistance remains a significant challenge in sub-Saharan Africa, particularly due to limited effective treatment and healthcare resources.
  • The study analyzed the prevalence and associated factors of HIVDR among 1,008 persons on ART in nine SSA countries (Cameroon, Malawi, Eswatini, Ethiopia, Namibia, Rwanda, Tanzania, Zambia, and Zimbabwe).
  • The study used genotypic testing to identify mutations linked to resistance to antiretroviral drugs, with at least one mutation indicating HIVDR status.
  • Supervised machine learning models were developed to predict HIVDR, with variable importance assessed using a random forest model and predicted probabilities generated via Elastic Net Lasso regression with 10-fold cross-validation.
  • The study concluded that ongoing surveillance and context-specific approaches are crucial to combat the growing threat of HIVDR and ensure the long-term efficacy of HIV treatment programs in the area.

Statistics:

  • 1,008 persons with HIVDR information were included in the analysis.
  • The study covered nine SSA countries, with data collected between 2015 and 2019.
  • The prevalence of HIVDR was calculated using chi-Square statistics, with statistical significance set at P < 0.05.
  • The study used 95% confidence intervals to estimate the prevalence of HIVDR among the study population.
  • Prevailing rates of HIVDR were calculated to be XXX.X% (absent in original text).

Sources:

  • "Prevalence and factors associated with HIV drug resistance among adult persons living with HIV/AIDS in nine countries of Sub-Saharan Africa using population-based HIV impact assessments: 2015-2019." by Edson Nsonga et al. (2025) BMC Public Health, 25(1):3474.
  • "BMC Public Health" (publisher contact information): Bmc, Campus, 4 Crinan St, London N1 9XW, England.

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