You should consult your physician regarding the best choice of vaccines for your trip. Recommendations will depend on many individual factors, including your precise travel plans. It is recommended that you see your doctor at least four to six weeks before your trip to allow time for vaccines to take effect.
A Yellow Fever Vaccination Certificate could be demanded from visitors on arrival in East Africa as a precautionary public health measure.
Travelers who before coming to East Africa intend to transit through endemic areas even for a brief stay are strongly advised to protect themselves with vaccination against Yellow Fever at least two weeks prior to their departure from their own home countries. If traveling to East Africa, it is highly recommended that you be inoculated against Yellow Fever as the countries have tropical climate and are considered a Yellow Fever risk area.
Countries considered as The Yellow Fever Endemic Zones include the following:
Senegal, Gambia, Guinea Bissau, Sierra Leone, Liberia, Cote D'Ivore, Burkina Faso, Ghana, Nigeria, Mali, Niger, Chad, Central African Republic, Togo, Benin, Sao Tome and Principe, Cameroon, Gabon, Congo, Democratic Republic of Congo, United Republic of Tanzania, Uganda, Angola, Zambia, Uganda, Kenya, Rwanda, Burundi, Ethiopia, Somali, Sudan and Equatorial Guinea, Panama, Venezuela, Colombia, Ecuador, Peru, Brazil, Guyana, Suriname, French Guiana and Bolivia.
Travelers who happen to be on transit in any of the Yellow Fever Endemic Countries will be exempted from the requirement of inoculation against Yellow Fever; Transit means remaining at the Airport under the Management of Airport Authority awaiting travel connection.
A travel clinic directory is available through The International Society of Travel Medicine: http://www.istm.org/
Other vaccinations like hepatitis, tetanus are recommended.