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New Ways By Which HIV Testing Can Be Made Effective Discussed

by Rishika Gupta on January 3, 2019 at 10:07 PM
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 New Ways By Which HIV Testing Can Be Made Effective Discussed

Community-based HIV testing has been found to be effective in reaching undiagnosed populations. The results of this study are published in the journal of PLOS ONE.

One in three people living with HIV in Vietnam remains undiagnosed, according to recent estimates. New strategies and models of HIV testing are urgently needed to reach undiagnosed populations and help them enroll in antiretroviral therapy (ART), in Vietnam and throughout the world.


Evidence from the study--conducted by PATH in partnership with the Vietnam Ministry of Health, the United States Agency for International Development (USAID), and the Center for Creative Initiatives in Health and Population in Hanoi--suggests that community-based HIV testing is an effective approach to reach people at risk of HIV who have never been tested or test infrequently. Key at-risk populations include people who inject drugs, men who have sex with men, female sex workers, and first-time HIV testers.

A cross-sectional survey of 1,230 individuals tested by lay providers found that 74 percent of clients belonged to at-risk populations, 67 percent were first-time HIV testers, and 85 percent preferred lay provider testing to facility-based testing. Furthermore, lay provider testing yielded a higher HIV positivity rate compared to facility-based testing and resulted in a high ART initiation rate of 91 percent.

"PATH is committed to achieving the global 90-90-90 goals by 2020 and to ending AIDS by 2030," said Dr. Kimberly Green, PATH HIV & TB Director. "Innovation in HIV testing is absolutely critical to meet these ambitious targets, and community-based HIV testing offers a promising solution to connect undiagnosed people with the services they need."

Lay providers participating in the study belonged to community-based organizations led by at-risk populations in urban areas and to village health worker networks in rural mountainous areas. Providers used a single rapid diagnostic test in clients' homes, at the offices of community-based organizations, or at any private place preferred by the client.

The approach helped to overcome barriers that had prevented key populations from seeking facility-based testing services, such as a perceived lack of confidentiality, fear of stigma and discrimination, inconvenient service opening times and distance, and long waiting times for test results.

Clients who had an HIV-reactive test were referred to the nearest health facility for HIV confirmatory testing, and those who received a confirmed HIV-positive result were referred to a public or private clinic for enrollment in ART. Clients with non-reactive test results received counseling to re-test after three or six months and were referred to a local health facility for HIV prevention services.

The study provides new evidence on the effectiveness of HIV testing administered by non-health care workers representing key populations and frontline village health volunteers. The results also support findings from community-based HIV testing approaches in other regions, including sub-Saharan Africa, that have demonstrated comparatively high rates of HIV testing uptake, high HIV positivity yields, and high success rates in linking people to care.

Based on the results of the study, the Vietnam Ministry of Health developed and approved national guidelines on community-based HIV testing and counseling in April 2018, and wider adoption of lay provider HIV testing was included in the 2018-2020 Global Fund concept note and in programming from the United States President's Emergency Plan for AIDS Relief (PEPFAR). Lay provider HIV testing services are now available in 32 of Vietnam's 63 provinces.

Source: Eurekalert

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