HealthDay News — A new strain of bird flu, H5N9, has been detected for the first time in the US, raising concerns about how it continues to spread. The strain was discovered at a commercial duck farm ...
First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...
1don MSN
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 ...
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