Influenza and meningococcal disease.
Jones
D M
DM
D004739:England / Q000453:epidemiology; D006801:Humans; D007251:Influenza, Human / Q000150:complications / Q000453:epidemiology*; D008589:Meningococcal Infections / Q000453:epidemiology* / Q000209:etiology; D014852:Wales / Q000453:epidemiology