How are H5N9 and H5N1 different? What to know after California bird flu outbreak
The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a newer variant of the H5N1 virus. That variant is called H5N1 D1.1, the USDA ...
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Possible evidence of bird flu vaccinations driving virus evolution
In their study published in the journal Science Advances, the group carried out a genetic analysis of hemagglutinin ... might be the case with H5 subtypes of the avian influenza virus—most ...