Characteristics derived from outbreaks of pandemic influenza A (H1N1) 2009 virus.
Liu
Wei
W
Tang
Fang
F
Li
Zeng-De
ZD
Yang
Hong
H
Cao
Wu-Chun
WC
D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000472:pathogenicity*; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*