San Francisco confirmed that a child in the city became the first case of H5N1. A panel of biotech leaders discussed what ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

Its alert to doctors and hospitals follows a few rare but mysterious bird flu cases in the US – including, most recently, a child in San Francisco confirmed to have had H5N1 influenza – that ...

A San Francisco resident is the second child ... not able to identify the sources of the other two. One virus subtype called avian influenza A (H5) has been the strain causing recent outbreaks ...

H5N9 is a rare strain of avian influenza. H5N1 is the more ... "Whether this novel H5N9 virus will cause human infections from its avian host and become a pandemic subtype is not known yet.

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide ... including avian influenza A(H5N1), have gained the ability to spread easily and sustainably among ...

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.