Top Flu Expert Warns of a Swine-Bird Flu Mix
12 More Swine Flu Cases Confirmed in Massachusetts
First Flu Death in Canada; US Cases Rise
Mexico Deaths; Cases Higher than Reported
Swine Flu May Be More Infectious than Thought
Swine Flu Moments and Decisions Lie Ahead
WHO Reports Big Jump in Worldwide Swine Flu Cases 3,440 Cases, 29 Countries, 48 Deaths
Japan, Oz Confirm First Cases of Swine Flu
Swine Flu Lacks 1918 Killer Traits (So Far)
US, Costa Rica Flu Deaths Mexico has suspected upswing in cases, delaying school reopening in six states
Number of American Flu Cases Overtake Mexico’s; Now Almost 3,000