H5N1 avian influenza, more commonly known as birdflu, has infected more than 100 million birds in the U.S. and almost 500 dairy cattle herds across 15 states. The virus has popped up in mammals ...
H5 birdflu, a type of avian influenza, has been causing concern for months after infecting dozens of people in the U.S. this year. Now a new human case in Oregon — the state's first — is ...
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