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Two-fold increase in the HIV viral load suppression rate along with decreased incidence over six years in Ndhiwa sub-county, Kenya | Journal Article / Research | MSF Science Portal
Journal Article
|Research

Two-fold increase in the HIV viral load suppression rate along with decreased incidence over six years in Ndhiwa sub-county, Kenya

Conan N, Badawi M, Chihana ML, Wanjala S, Kingwara L, Mambula C, Ngugi C, Okomo GO, Opollo VS, Salumu L, Nesbitt RC, Szumilin E, Huerga H
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Abstract
BACKGROUND
HIV-positive individuals who maintain an undetectable viral load cannot transmit the virus to others. In 2012, an HIV population-based survey was conducted in Ndhiwa sub-county (Kenya) to provide information on the HIV local epidemic. We carried out a second survey 6 years after the first one, to assess progress in HIV diagnosis and care and differences in the HIV prevalence and incidence between the two surveys.

METHODS
A cross-sectional, population-based survey using cluster sampling and geospatial random selection was implemented in 2018, using the same design as 2012. Consenting participants aged 15-59 years were interviewed and tested for HIV at home. HIV-positive individuals received viral load testing (viral suppression defined as <1000 copies/ml) and Lag-Avidity EIA assay (to measure recent infection). The 90-90-90 UNAIDS indicators were also assessed.

RESULTS
Overall, 6029 individuals were included in 2018. HIV prevalence was 16.9%. Viral suppression among all HIV-positive was 88.3% in 2018 (vs. 39.9% in 2012, p < 0.001). HIV incidence was 0.75% in 2018 vs. 1.90% in 2012 (p = 0.07). In 2018, the 90-90-90 indicators were 93%-97%-95% (vs. 60%-68%-83% in 2012).

CONCLUSIONS
A two-fold increase in the HIV viral load suppression rate along with a decreasing trend in incidence was observed over 6 years in Ndhiwa sub-county. Achieving high rates of viral suppression in HIV populations that can lead to reducing HIV transmission in sub-Saharan contexts is feasible. Nevertheless, we will need further efforts to sustain this progress.

Countries

Kenya

Subject Area

HIV/AIDS

Languages

French
DOI
10.1111/tmi.13688
Published Date
12 Oct 2021
PubMed ID
34637172
Journal
Tropical Medicine and International Health
Volume | Issue | Pages
Volume 26, Issue 12, Pages 1609-1615
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