Nosocomial spread of RSV infection.
D003428:Cross Infection / Q000453:epidemiology* / Q000517:prevention & control; D004739:England / Q000453:epidemiology; D006801:Humans; D018357:Respiratory Syncytial Virus Infections / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D012621:Seasons; D014852:Wales / Q000453:epidemiology