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 ...

Scientists in Glasgow have found that some strains of the H5N1 avian influenza virus, commonly known as bird flu, are becoming better at infecting cows.

A nightmare super flu is spreading around the UK and has sent a surge of patients to hospital amid fears further strain could ...

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

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

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

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.

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

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

Scientists have captured an unprecedented, real-time view of influenza viruses as they move across and slip inside human ...