title: Urgent call for action on meningitis in Africa--vaccine price and shortage are major obstacles.
mesh_terms: D000349:Africa / Q000453:epidemiology; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D016920:Meningitis, Bacterial / Q000453:epidemiology / Q000517:prevention & control*; D022401:Meningococcal Vaccines / Q000191:economics* / Q000600:supply & distribution*
chemical_list: D022401:Meningococcal Vaccines