Spanish flu pandemic was caused by a particularly virulent strain of influenza virus. It infected 500 million people, caused around 50 million deaths, and its impact was so severe that global life ...

A spike in flu cases in NY offered clues on when the season may end, underscoring it's not too late to get a flu shot.

HEALTH OFFICIALS IN NEW HAMPSHIRE SAY FIVE PEOPLE HAVE DIED FROM THE FLU SO FAR THIS SEASON, AS WE’VE BEEN REPORTING. AS YOU ...