title: The impact of Haemophilus influenzae immunisation on invasive infection in children.
mesh_terms: D002648:Child; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000453:epidemiology / Q000517:prevention & control*; D018073:Haemophilus Vaccines / Q000276:immunology; D006193:Haemophilus influenzae; D006801:Humans; D007223:Infant; D006113:United Kingdom / Q000453:epidemiology
chemical_list: D018073:Haemophilus Vaccines