PHLS Haemophilus influenzae regional survey.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D004739:England / Q000453:epidemiology; D006192:Haemophilus Infections / Q000453:epidemiology*; D006193:Haemophilus influenzae; D006801:Humans; D015994:Incidence; D007223:Infant; D008826:Microbial Sensitivity Tests; D008875:Middle Aged; D011159:Population Surveillance; D012703:Serotyping; D014852:Wales / Q000453:epidemiology