Groulx said the evolution of a pandemic strain “is a pressing concern,” and has been seen before. In 2009, the H1N1 virus — also called the swine flu — was a “re-assortment of avian influenza, human ...
BirdFlu Stays Stable on Milking Equipment for ... of influenza and last longer than vaccines currently in ... 'SwineFlu' Strain Has Passed from Humans to Swine Nearly 400 Times Since ...