[Strengthening study on influenza and face to the new challenge of influenza].
Guo
Yuan-ji
YJ
D000818:Animals; D001717:Birds / Q000821:virology; D002681:China / Q000453:epidemiology; D006801:Humans; D009980:Influenza A virus / Q000145:classification / Q000472:pathogenicity; D007252:Influenza Vaccines; D005585:Influenza in Birds / Q000453:epidemiology / Q000517:prevention & control*; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*
D007252:Influenza Vaccines