With measles outbreaks, flu spikes, and COVID as a seasonal threat, learn key differences between these contagious diseases, ...

The current flu season has seen the highest rate of doctor’s visits for flu-like symptoms since the US began collecting data through a national surveillance network. CNN is tracking these case rates ...

What used to be a predictable “cold and flu season” has evolved into a formidable “triple threat” of the flu, RSV, and COVID-19—and now, the highly contagious norovirus is joining the headlines. For ...

Despite cases of influenza remaining high across Colorado, Estes Valley Medical Center has seen a relatively low infection ...

Research shows that many viruses can linger in the air and on surfaces long after an infected person has left the room — ...

Influenza cases in Virginia are climbing again after weeks of downward trends, according to the latest data from the Virginia ...

Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, ...

Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to early outbreaks in ...

As more people are hospitalized with bird flu, here's what's going on with vaccines for humans.

When a stomach bug hits your household, it is tempting to grab a pack of wipes, swipe every surface in sight, and hope you have contained the chaos. The problem is that those quick wipe-downs often ...

Add Yahoo as a preferred source to see more of our stories on Google. After weeks of delay, the Florida Department of Health has released its weekly flu review report showing a higher spike in ...