Dozens of researchers, including myself, worked for years to uncover that swine flu had leapt to humans from a pig in Mexico in 2009. We learned a lot about influenza evolution, pig farming, and ...

Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...

New Two-Step Flu Vaccine Strategy Shows Promise in Pig Model Aug. 9 ... longer than vaccines currently in ... 'Swine Flu' Strain Has Passed from Humans to Swine Nearly 400 Times Since 2009 ...

A controversial proposal from U.S. Secretary of Health and Human Services Robert F. Kennedy Jr. to let bird flu naturally ...

As cases of seasonal influenza surge, health officials are closely monitoring a growing threat—the potential fusion of human and bird flu strains.

The swine industry ought to be prepared for the emergence of highly pathogenic avian influenza (HPAI) to enter the domestic ...

Share on Pinterest A recent CDC MMWR report shows three new asymptomatic human cases of bird flu, suggesting the virus may be slowly spreading. Johanna Moya/Getty Images A growing bird flu ...

Swine flu is caused by a virus, which affects pigs. It is highly contagious and spreads through air and solid surfaces.

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Millions of birds in U.S. poultry farms and some cattle herds have been affected, but the overall risk to humans remains low. Still, a number of human cases have been documented as a new CDC ...