British Paediatric Surveillance Unit: annual report for 1998/99.
D017677:Age Distribution; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000175:diagnosis / Q000453:epidemiology*; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D005260:Female; D015658:HIV Infections / Q000453:epidemiology; D006306:Health Surveys; D006801:Humans; D015994:Incidence; D007223:Infant; D007494:Ireland / Q000453:epidemiology; D008297:Male; D011159:Population Surveillance; D012307:Risk Factors; D017678:Sex Distribution; D006113:United Kingdom / Q000453:epidemiology