Using condoms correctly can lower your risk of HIV by approximately 85%. You can use PrEP medication to prevent HIV from sex by 99% and from injection drug use by 74%. Testing for HIV frequently helps ...

It's the time of the year for holiday cheer, but also the season for coughing, sneezing and everything in between. Norovirus is a highly contagious virus that causes vomiting and diarrhea, according ...

Here’s what to know about the dominant version of the virus that’s circulating now. By Dani Blum The flu constantly morphs and mutates. Often, it surprises researchers a little. This year, the virus ...