title: Influenza activity in England and Wales.
mesh_terms: D000368:Aged; D004739:England / Q000453:epidemiology; D005260:Female; D006801:Humans; D015994:Incidence; D009980:Influenza A virus / Q000302:isolation & purification; D009981:Influenza B virus / Q000302:isolation & purification; D007251:Influenza, Human / Q000453:epidemiology*; D012621:Seasons; D015996:Survival Rate; D014852:Wales / Q000453:epidemiology