title: Epidemiologic characteristics and risk factors for invasive Haemophilus influenzae type b disease in a population with high vaccine efficacy.
authors: National Public Health Institute, Helsinki, Finland.
authors: A K
authors: AK
authors: Takala
mesh_terms: D001428:Bacterial Vaccines / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D005387:Finland; D006192:Haemophilus Infections / Q000453:epidemiology* / Q000517:prevention & control; D006193:Haemophilus influenzae / Q000276:immunology; D006801:Humans; D007223:Infant; D008297:Male; D012307:Risk Factors; D014611:Vaccination
chemical_list: D001428:Bacterial Vaccines