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An HIV-infected person can (A) become less infectious or (B) the HIV can be blocked from entering a susceptible individual. We test strategies marked ‘Interventions.’
†Barriers: physical, for example, condoms; chemical, for example, antiretroviral prophylaxis; or immunological, for example, HIV vaccines.
OI: Opportunistic infection; Rx: Treatment of; STI: Sexually transmitted infection.
