Objective To study the epidemic status of human immunodeficiency virus type 1 (HIV-1)
subtypes in Shenzhen and to study their transmission source and routes. Methods HIV-1 env …

We conducted an investigation of blood management in which blood transfusion recipients
underwent molecular biological analysis, to trace the possible source of HIV infection …

Background We estimated rates of human immunodeficiency virus (HIV)–1 transmission per
coital act in HIV-discordant couples by stage of infection in the index partner Methods We …

Objective: To describe the clinical, epidemiological and molecular evidence for transmission
of HIV-1 infection from a person with unrecognized HIV infection to a family member in two …

B. Epidemiological trends in recent years, however, have indicated a steady rise in the
number of new cases of HIV con-tracted by sexual contact, most notably in Japanese men …

A cross sectional survey was performed to investigate the epidemic of human
immunodeficiency virus (HIV), hepatitis C virus (HCV), syphilis, and HIV-1 subtype infections …

Abstract The Xinjiang Uyghur Autonomous Region has a firmly established HIV epidemic
among its intravenous drug user (IDU) population. Local sex workers were also found to be …

Men who have sex with men are currently the highest risk group for HIV transmission
worldwide. Among new HIV infections reported in China, the proportion of MSM …

Background. Human immunodeficiency virus (HIV) has rapidly spread among men who
have sex with men (MSM) in China in recent years; the magnitude of the epidemic is …

Objective To analyze the prevalence and related factors of human immunodeficiency virus
(HIV) infection among couples and regular sexual partners of HIV/acquired …