This year’s flu shot may be more effective than researchers thought - even as cases across the US are rising - This is America’s worst flu season in more than two decades with more than 15 million ...

Medical experts debunk flu shot myths: vaccines use inactive virus that cannot cause illness. Discover what side effects actually mean for your immunity.

As flu season approaches, many people wonder whether getting vaccinated twice in the same year might offer extra protection. With immunity known to fade and flu viruses changing fast, the question ...

A fast-spreading new flu strain is gaining a reputation as a monstrous “super flu.” The mutation of influenza A(H3N2) called subclade K is driving up infections across the country, including in New ...

Health experts say the U.S. flu season appears to be waning with two straight weeks of decline in measures of flu activity.

Learn more about seasonal flu, including where to get a flu vaccine and how to treat seasonal flu.

The current flu season has hit Central Florida hard, with increased numbers of confirmed cases and fewer residents vaccinated ...