title: Alternative epidemic of different types of influenza in 2009-2010 influenza season, China.
authors.forename: Peng
authors.initials: P
authors.lastname: Yang
authors.forename: Haikun
authors.initials: H
authors.lastname: Qian
authors.forename: Xiaoming
authors.initials: X
authors.lastname: Peng
authors.forename: Huijie
authors.initials: H
authors.lastname: Liang
authors.forename: Fang
authors.initials: F
authors.lastname: Huang
authors.forename: Quanyi
authors.initials: Q
authors.lastname: Wang
mesh_terms: 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