The swine flu outbreak is spawning debate about how people get information during health emergencies -- especially at a time when news sources are becoming less centralized. Some observers say Twitter ...

On April 29, 2009, the World Health Organization raised its pandemic alert to 5, the secondhighest level. The United States Department of Homeland Security has declared a public health emergency over ...

WASHINGTON — President declared the swine flu outbreak a national emergency, giving his health chief the power to let hospitals move emergency rooms offsite to speed treatment and protect ...

The flu has further tightened its grip on the U.S. This season is now as bad as the swine flu epidemic nine years ago. A government report out Friday shows 1 of every 13 visits to the doctor last week ...