By Bruce Jancin

DURBAN, SOUTH AFRICA – Oral antiretroviral pre-exposure prophylaxis (PrEP) against HIV also reduces the risk of acquiring herpes simplex virus type 2, according to research presented at the 21st International AIDS Conference.

“Given the limited interventions for primary prevention of HSV-2, efficacy against HSV-2 provides additional benefit to oral PrEP,” observed Connie Celum, MD, professor of global health and medicine at the University of Washington, Seattle.

By Rebecca Robbins

In just the last few years, new medications have turned hepatitis C into a widely and quickly curable disease — for those who can afford it.

But the lesser-known origins of the story trace back to a 1990s laboratory invention that made it all possible. Now, two virologists who pioneered that pivotal development, and a drug researcher who created the first revolutionary drug, are being honored with one of the most prestigious awards in medical science.

By Clare McGrane

For the past year, Amazon has been cracking down on sellers and third parties offering money for positive reviews. But for one team of data scientists, negative reviews on Amazon are much more interesting than positive ones.

By Katherine Tweed

Coal combustion is the single largest source of air pollution-related deaths in China as of 2013. But the steady path toward cleaner sources of energy for power production and industrial use may not substantially curb the problem in the coming decades, according to a new study.