Diversity of HIV-1 subtype E in semen and cervicovaginal secretion.

Objectives: To characterize human immunodeficiency virus type 1 (HIV-1) subtype E variants in blood and genital fluid of infected Thai couples.

Study Design/methods: Blood and genital fluid were collected from 30 asymptomatic healthy HIV-1 subtype E infected couples from Bangkok, Thailand from 1995 to 1998.

Results: All 60 viruses in blood samples were identified as subtype E by heteroduplex mobility assay.