Americans appear to be taking fewer chances with HIV, according to the CDC.

Slightly more than 9% of the people surveyed from June 2006 to June 2010 reported behaviors thought to increase the risk of HIV, such as male-to-male sexual contact, illicit drug injection, and higher numbers of opposite-sex partners, according to Anjani Chandra, PhD, and colleagues at the CDC.

That's down...

A rapid HIV test gives slightly less exact results when used with oral samples compared with blood samples, researchers reported.

In pooled results from a systematic review and meta-analysis, the sensitivity of the Oraquick rapid test was 98.03% when oral samples were used, compared with 99.68% using blood, according to Nitika Pant Pai, MD, of McGill University Health Centre in Montreal,...

HIV-1 viral load in the blood is one of the most important factors influencing transmission to the partner in serodiscordant African couples, according to the results of a recent study.

Each log10 increase in plasma HIV-1 RNA was associated with a 2.9-fold increase in the per-act risk of transmission (95% CI 2.2 to 3.8) reported James P. Hughes, PhD, from the University of Washington in...