The earliest and most obvious sign of this year's flu is a sudden high fever. And the dominant strain is going to strike hard ...

The spike isn’t unique to Ventura County. Positive tests have risen across the state. At least 65 bats with rabies have been found in Los Angeles County, the second highest tally in the county’s ...

The hepatitis A outbreak in Czechia is far from abating. Doctors have registered close to 3,000 cases this year, the worst ...

The Baltimore Sun spoke with Dr Aaron Milstone, pediatric infectious disease specialist at Johns Hopkins Children’s Center, ...

Scientists have captured a never-before-seen, high-resolution look at influenza’s stealthy invasion of human cells, revealing ...

There are a few reasons why people tend to fall ill more often in the winter than during other times of the year, and yes, holiday travel is definitely one of them.

Cold temperatures create a perfect environment for viruses to spread, and all you can do is manage the symptoms, prevent it ...

Most people don’t know that a Missouri boy died of what is now believed to have been AIDS more than a decade before the virus ...

The president of the International Criminal Court said on Monday US sanctions imposed on senior court officials disrupt their personal lives but vowed the institution would not yield to outside ...

With new variants of both flu and norovirus spreading in the U.S., it worth knowing the symptoms of each viral illness — and the best ways to prevent getting sick in the first place. And, considering ...

Ian Lipkin, an experimental pathologist at Columbia University, is today most famous for discovering more than 2,000 viruses, which earned him the moniker “virus hunter,” over a decades-long career in ...

NBC News medical contributor Dr. Natalie Azar joins TODAY to talk about how you can protect yourself from winter viruses, including the flu, COVID, RSV and norovirus. She breaks down how to tell the ...