Meningitis surveillance.
D003430:Cross-Sectional Studies; D004739:England / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D007494:Ireland / Q000453:epidemiology; D008581:Meningitis / Q000453:epidemiology* / Q000517:prevention & control; D008583:Meningitis, Haemophilus / Q000453:epidemiology / Q000517:prevention & control; D008585:Meningitis, Meningococcal / Q000453:epidemiology* / Q000517:prevention & control; D011159:Population Surveillance; D014852:Wales / Q000453:epidemiology