The risk of a pandemic with the influenza A (H1N1) virus.
Carmo
Eduardo Hage
EH
Oliveira
Wanderson Kleber de
WK
D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology*; D012307:Risk Factors