[Epidemic feature and prevention and control strategy of influenza A H1N1].
Ren
Cheng-shan
CS
Qian
Gui-sheng
GS
D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control* / Q000821:virology