ArticleWorld journal of virology2025
Human immunodeficiency virus recency testing coverage and partner-notification-services among people-living with human immunodeficiency virus in low- and middle-income countries.
Article in World journal of virology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundHuman immunodeficiency virus (HIV) recency testing provides data that can be used to monitor the trend of new HIV infections. The effectiveness of using people identified with recent infection to identify partners with new HIV infection through partner notification services (PNS) is not well documented.
aimTo determine the pooled prevalence of recency testing coverage, recent infection, reclassification (recent to long-term infection) and PNS cascade among newly diagnosed people living with HIV.
methodsPubMed, Cochrane Library and Embase were searched for articles published between January 2018 and November 2024. Studies were included if they reported recency coverage and/or PNS among people newly diagnosed with HIV and used recent infection testing algorithm (RITA). Recency coverage was defined as proportion of people tested using rapid testing for recent infection (RTRI) among those newly diagnosed with HIV. RITA further classifies RTRI results using viral load results (≥ 1000 copies/mL
resultsTwenty-five studies from 17-low- and middle-income countries were included. Of 276315 newly diagnosed people living with HIV, 79864 underwent RTRI with an overall pooled recency coverage of 87% (95%CI: 67-96). The pooled prevalence of RTRI and RITA recency were 12% (95%CI: 9-16) and 7% (95%CI: 4-10), respectively. Pooled prevalence of RTRI reclassification was 34% (95%CI: 22-49). Of the recent cases who agreed to PNS, 253 partners were elicited with an estimated elicitation ratio of 1:1.6. Among partners elicited, 99% were successfully contacted, 75% were eligible for testing, 68% tested for HIV, and 15% were diagnosed with HIV.
conclusionHigh recency testing coverage among newly diagnosed individuals demonstrates the feasibility of monitoring new HIV infections in LMIC. While PNS yielded moderate HIV diagnoses, its targeted approach remains a critical strategy for identifying undiagnosed cases.
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