Flu symptoms tend to hit suddenly and are more intense than a common cold. Adults are advised to see medical help if they ...

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

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

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

With multiple viruses circulating, doctors say it can be difficult to determine which illness someone has based on symptoms ...

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

South Florida doctors are seeing more people with cough, fever and other flu-like symptoms as a rapidly spreading influenza ...

The CDC estimates at least 11 million illnesses so far this season:120,000 people have been hospitalized and 5,000 have died ...

Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate ...

Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate ...

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 ...

A new influenza A variant called subclade K is responsible for the surge in infections, worsened by a lagging vaccination ...