Influenza A virus subtype H5N6
Virus in China mutated: It spreads easily, experts worried
They report that the previously circulating strain mutated and is now more contagious to humans.
'Largest pandemic in 100 years' threatens China as bird flu spreads
China could be facing the worst bout of bird flu to hit the country in a century, with Avian Influenza A(H7N9) accounting for the deaths of 79 people in January from the 192 human cases reported so far.