BACKGROUND: At the moment HIV self-testing (HIVST) is not available in Argentina. However there is a need to better understand the experiences of potential users among key populations in Latin America and the Caribbean to inform decisions on future implementation. In March 2022, a feasibility and acceptability study of HIVST was conducted among transgender women (TGW) and gay, bisexual and other cisgender men who have sex with men (GBSM) attending an HIV testing service at an NGO in Buenos Aires.
METHODS: Initially, 149 GBMSM were provided with three HIVST kits to be performed on a monthly basis after an initial demonstration and training and a first negative HIVST.
Their median age was 26 (IQR: 23-31), 91.8% had secondary education or higher. Median number of sexual partners during the last six months was 5 (IQR 3-7); 21.9% mentioned having used drugs in the last six months and 18.4% were engaged in some form of sex work in the last six months.
Upon completion of the study, eight GBMSM were randomly invited to a focus group conducted over Zoom and only four participated (Ages: 31, 30, 27 and 24). An additional one on one interview was performed with a participant having tested positive throughout the study.
RESULTS: HIVST was acceptable among GBMSM, being cited as a convenient and easy-to-use tool. Even the participant who received a positive result expressed that had it not been for the HIVST he might have waited much longer to retest for HIV, delaying treatment initiation. Nonetheless, the need to have referral helplines for users who happen to test positive was highlighted.
Difficulties in obtaining blood samples decreased with practice and participants were confident that they were able to use the device and interpret its results correctly. The written instructions, complemented by the explanation in supporting videos, appeared to be sufficient for most users.
CONCLUSIONS: HIVST is a combination prevention strategy that could greatly benefit a population facing stigma and discrimination across HIV services like GBMSM. Nonetheless, its implementation should not be to the detriment of post-test counseling and early access to HIV care and treatment.

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