Although this year’s flu vaccine doesn’t protect as well against the dominant subclade K strain, doctors still say that ...

Those infected with the flu are most contagious during the first three days, the CDC said. In some cases, however, people can ...

With flu cases surging in Illinois, mitigating spread is increasingly important. But how long are you actually contagious ...

While the new findings are encouraging, "vaccines won’t do any good if people don’t get them," one expert said.

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

It’s too early to have data on how long most people are sick with subclade K, but Dr. Schaffner says he’s heard anecdotes of ...

Flu cases are climbing across the United States as the season reaches its peak, and millions of people may get sick in the ...

This year’s influenza virus has been dubbed the “super flu” for how quickly it’s spreading — and how hard it’s hitting.

Colds are generally upper respiratory infections, meaning they’re isolated to your nose, throat, and sinuses. They usually ...

A 2022 study estimates that at-home flu tests have a sensitivity of about 63% if the test is performed within 72 hours of ...

Experts at the Centers for Disease Control and Prevention have projected a severe flu season, and Georgia and South Carolina ...

This article originally published at ‘Super scary' Bay Area has second highest flu levels in Calif..