A. You might be suffering from influenza. Colds do not usually cause body aches. This year, the dominant influenza virus has ...

The U.S. is seeing a post-Thanksgiving spike in influenza, data released by the Centers for Disease Control and Prevention on ...

Norovirus, also known as the “stomach flu” or “winter vomiting sickness,” is active in California and across the nation. But ...

The H5N1 avian influenza virus—commonly known as bird flu—has been causing outbreaks in dairy cows in the United States since ...

Already, there are heightened worries about a mutated strain of the flu virus that caused major outbreaks abroad. According ...

NHS leaders are encouraging people with flu symptoms to mask up in public. Does the science support this advice?

While flu cases are down compared to recent years, Florida saw an uptick in positive cases and hospitalizations.

It may feel like you are surrounded by sniffles and coughs, but flu season activity is still low in many parts of the U.S.

The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just ...

Flu-like activity is up in some parts of the United States, according to the Centers for Disease Control and Prevention.The ...

Influenza cases are slowly rising in Illinois, signaling the beginning of flu season. Is the cold weather to blame?

Mexico has confirmed its first case of influenza A(H3N2) subclade K, a variant commonly referred to as the "super flu," ...