A stuffy nose is often caused by the flu, allergies, or even pregnancy — here's how to handle your congestion based on what's ...

Flu symptoms, like fever and muscle aches, will worsen in the first few days. You should start to feel better by around day 5 ...

It's flu vaccine time again. After last winter, when the U.S. saw the highest number of flu-related child deaths in 15 years, ...

As fewer children get their flu shots, cases of a rare, severe complication are rising. Last season, the U.S. experienced the ...