title: African countries to introduce new meningitis vaccine.
mesh_terms: D000349:Africa / Q000453:epidemiology; D006801:Humans; D008585:Meningitis, Meningococcal / Q000453:epidemiology / Q000517:prevention & control*; D022401:Meningococcal Vaccines
chemical_list: D022401:Meningococcal Vaccines