What is H3N8 bird flu detected in China for first time in human?
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China has confirmed the first known human case of the H3N8 strain of avian flu, but health authorities say there is a low risk of widespread transmission among people, AFP reported. H3N8 is a subtype of the species Influenza A virus that is endemic in birds, horses and dogs. It is the main cause of equine influenza and is also known as the equine influenza virus. H3N8 is known to have been circulating since 2002.