title: Hib booster dose for children ages 12-15 months reinstated.
mesh_terms: D002487:Centers for Disease Control and Prevention, U.S.; D015721:Diphtheria-Tetanus-Pertussis Vaccine / Q000008:administration & dosage*; D006192:Haemophilus Infections / Q000517:prevention & control; D018073:Haemophilus Vaccines / Q000008:administration & dosage*; D019741:Haemophilus influenzae type b; D006801:Humans; D007115:Immunization Schedule; D007117:Immunization, Secondary; D007223:Infant; D032541:Mass Vaccination; D008824:Michigan; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage*; D013745:Tetanus Toxoid / Q000008:administration & dosage*; D014481:United States; D017778:Vaccines, Combined / Q000008:administration & dosage
chemical_list: D015721:Diphtheria-Tetanus-Pertussis Vaccine; D018073:Haemophilus Vaccines; C055753:Haemophilus influenza type b polysaccharide vaccine-tetanus toxin conjugate; D011054:Poliovirus Vaccine, Inactivated; D013745:Tetanus Toxoid; D017778:Vaccines, Combined; C512971:pentacel