A new variant of avian influenza H7N7 virus fears
A new variant of avian influenza H7N7 virus fears
Hong Kong and the United States and the United States experts, the day before yesterday against the H7N9 epidemic in the mainland, proposed H7N9 gene mutation pathway report. At the same time, an H7N7 virus was also found, which confirmed that the virus has been confirmed to be infected with mammals…
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