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Index/Topics/HIV Acquisition

HIV Acquisition

The process by which individuals become infected with the Human Immunodeficiency Virus (HIV).

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Jan 19, 2026
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How does the type of solution used for anal douching (saline vs. soap vs. tap water) change mucosal damage and infection risk?

Anal douching solution matters: hyper- or hypo‑osmolar, acidic, or surfactant-containing liquids (soaps, some household mixes) and even plain tap water can strip or irritate the fragile rectal epithel...

Jan 10, 2026

Why does circumcision reduce the risk of HIV acquisition

Three randomized controlled trials and follow-up studies found that voluntary medical male circumcision (VMMC) reduces heterosexual male acquisition of HIV by roughly 50–60% under trial conditions, an...