Nosocomial influenza infection.
Barlow
G
G
Nathwani
D
D
D000368:Aged; D003428:Cross Infection / Q000517:prevention & control*; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control* / Q000635:transmission
D007252:Influenza Vaccines