Alternative epidemic of different types of influenza in 2009-2010 influenza season, China.
Yang
Peng
P
Qian
Haikun
H
Peng
Xiaoming
X
Liang
Huijie
H
Huang
Fang
F
Wang
Quanyi
Q
D002681:China / Q000453:epidemiology; D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification*; D053122:Influenza A Virus, H3N2 Subtype / Q000302:isolation & purification*; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*; D011159:Population Surveillance; D013997:Time Factors