Influenza in old age.
Stott
D J
DJ
Carman
W F
WF
Elder
A G
AG
D000368:Aged; D006282:Health Personnel; D006299:Health Services for the Aged; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control* / Q000628:therapy; D014611:Vaccination