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 ...

Swine Flu Virus Outbreak In India ... is caused by the H1N1 strain of the influenza A virus. First identified in pigs, this virus has triggered many outbreaks in humans in recent times.

Because it resembles the respiratory flu in pigs, its named the swine flu. Swine Flu (H1N1) is a respiratory disease that severely affects the lungs. It was first reported in 2009. After early ...