title: Update on progress controlling   yellow fever in Africa, 2004-2008.
mesh_terms: D000349:Africa / Q000453:epidemiology; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D008302:Mali / Q000453:epidemiology; D032541:Mass Vaccination; D011159:Population Surveillance; D012675:Senegal / Q000453:epidemiology; D014037:Togo / Q000453:epidemiology; D015004:Yellow Fever / Q000517:prevention & control*; D022341:Yellow Fever Vaccine / Q000627:therapeutic use
chemical_list: D022341:Yellow Fever Vaccine