Influenza A(H1N1) associated with mild illness in a nursing home--Maine.
D000293:Adolescent; D000368:Aged; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D009980:Influenza A virus; D007251:Influenza, Human / Q000453:epidemiology*; D008281:Maine; D009735:Nursing Homes; D014481:United States