title: Global vaccination update, 2009.
mesh_terms: D015721:Diphtheria-Tetanus-Pertussis Vaccine; D014943:Global Health; D006801:Humans; D007223:Infant; D014611:Vaccination / Q000706:statistics & numerical data*; D014944:World Health Organization
chemical_list: D015721:Diphtheria-Tetanus-Pertussis Vaccine