Influenza Vaccine Live from BCHT

1918-1919 Spanish Flu（H1N1），1957-1958 Asian Flu（H2N2），1968-1969 Hong Kong Flu（H3N2），2009 Mexican Flu are recognized as global influenza pandemics in history. Up to now, influenza is still one of the most catastrophic diseases that are difficult to control and pose the greatest threat to human beings. Influenza has drawn more and more attentions from people all over the world. In 2020 BCHT lauched the Influenza Vaccine, Live, Nasal, Freeze-dried in 2020 which is...