Meningococcal disease in university students.
D000293:Adolescent; D000328:Adult; D004739:England / Q000453:epidemiology; D006801:Humans; D017589:Immunization Programs; D015994:Incidence; D008589:Meningococcal Infections / Q000453:epidemiology* / Q000517:prevention & control; D014495:Universities; D014852:Wales / Q000453:epidemiology