Sexual behaviours and correlates of condom use among HIV-discordant couples from eastern China: a cross-sectional study.

Objectives: To investigate sexual behaviours among HIV-discordant heterosexual couples and assess the correlates of condom use at the couple level.

Design: Cross-sectional study.

Setting: Seven prefectures along the Yangtze River in the Anhui Province, China.

Serological and molecular study of hepatitis E virus among illegal blood donors.

Aim: To investigate the seroprevalence and molecular characteristics of hepatitis E virus (HEV) in the illegal blood donors (IBDs) of central China in the early 1990s.

Methods: A total of 546 blood samples were collected from the IBDs in Maanshan city, a questionnaire was completed by each subject, detailing the age, sex, and periods of blood or plasma donation. Anhui Province and tested for the anti-HEV antibodies.