Avian influenza deaths in wild birds raise concern about changing virus - MPR News

Waterfowl carry the avian influenza virus across the country as they migrate, leading to outbreaks in domestic poultry flocks. But this year, the virus is killing more wild birds than past outbreaks. Scientists are trying to understand what that means for the…

Various strains of avian influenza are common in wild ducks and geese. The group of viruses causing the current outbreak was first identified in 1996 in China and has been changing and interacting wi… [+6135 chars]

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