H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird flu. It's a reassortment strain that originated from the H5N1, H7N9, and ...
Avianinfluenza, or birdflu, is a broad term that refers to several types of influenza that normally infect birds. The birdflu that’s been making news in the United States is a virus ...
A subtype of birdflu caused by avianinfluenza A (H5) virus has been spreading worldwide in wild birds with a few outbreaks in poultry, dairy cows and other mammals across the United States ...
Tools used to contain previous bird flu outbreaks aren’t working this time, experts say. Since March, the virus has sickened at least 67 people in the U.S. and killed one, with egg producers begging ...
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