Commentary: Immunization against Haemophilus influenzae.
D000367:Age Factors; D002675:Child, Preschool; D005006:Ethnicity; D006193:Haemophilus influenzae / Q000276:immunology* / Q000472:pathogenicity; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000150:complications; D008583:Meningitis, Haemophilus / Q000209:etiology / Q000401:mortality; D014481:United States
D007252:Influenza Vaccines