H5N1, the most common strain of bird flu, is an HPAI. Low pathogenicity avianinfluenza (LPAI) This type causes less serious illness in chickens and is less likely to cause death. Typically ...
A person in Louisiana contracted the nation's first serious human case of avianinfluenza, or bird flu ... the person was likely exposed to H5N1 from sick or dead birds in a backyard flock ...