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 ...

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 ...

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

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.

Swine flu is a strain of flu that normally occurs among pigs but has begun spreading among humans. It is termed as swine flu because the virus that first caused the disease had originated from pigs.

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 ...