Researchers have identified new roles for a protein long known to protect against severe flu infection -- among them, raising the minimum number of viral particles needed to cause sickness.
H1N1 influenza A spread rapidly with alarming, early results. Health care professionals armed with a historical perspective and the latest treatment guidelines are best equipped to respond.
There are other types of flu that primarily infect animals, like bird flu and now swine flu. The real name for swine flu is H1N1 flu. It is called swine flu because a virus that causes this flu ...
Canadian officials have announced that a teenager in British Columbia has been hospitalized in critical condition with what is believed to be bird flu.