A first-of-its-kind study has found that the genetic diversity of human immunodeficiency virus type 1 (HIV-1) is higher in the vaginal tract than in the blood stream during early infection. This finding supports the existence of a genetic bottleneck between the vaginal tract and the bloodstream.

Link: HIV-1 genetic diversity is higher in vaginal tract than in blood during early infection

Source: Gynecology Science Daily

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