H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird ...
A new bird flu strain was detected on a California duck farm. But what's the difference between H5N9 and H5N1, and is it safe ...
The detection of a different more rare strain of avian influenza is raising alarm as record egg prices soar to new highs. A ...