Travelers' diarrhea can be caused by viruses, bacteria, or parasites, which are found throughout Central Africa and can contaminate food or water. Make sure your food and drinking water are safe.
Malaria is a preventable infection that can be fatal if left untreated.
Most travelers to Central Africa should take mefloquine to prevent malaria. A high risk for malaria exists all year in all parts of these countries, including the cities. For more detailed information about the risk in specific locations, see Malaria in Central Africa . A certificate of yellow fever vaccination may be required for entry into certain of these countries. For detailed information, see Yellow Fever Comprehensive Vaccination Requirements .