Yellow fever vaccination certificate

A yellow fever vaccination certificate or card is a Health requirement for arriving travelers. All travelers arriving in Kenya from countries where yellow fever is endemic should present a valid Yellow fever certificate. This is therefore required when travelling between Kenya and Tanzania.

Yellow Fever Vaccination exemptions

  1. Infants aged less than 9 months, except during an epidemic when infants aged 6-9 months, in areas where the risk of infection is high, should also receive the vaccine.
  2. Pregnant women – except during a yellow fever outbreak when the risk of infection is high.
  3. People with severe allergies to egg protein. 
  4. People with severe immunodeficiency due to symptomatic HIV/AIDS or other causes, or who have a thymus disorder.

Yellow fever vaccination for travelers is carried out for two different purposes:

To prevent the international spread of the disease
Countries protect themselves from the risk of importing or further spreading the yellow fever virus by establishing entry requirements on yellow fever vaccination for travelers. The countries that require proof of vaccination are those where the disease may or may not occur and where the mosquito vector and potential non-human primate hosts of yellow fever are present. Any importation of the virus into such countries by infected travelers may result in its propagation and establishment, leading to a permanent risk of infection for the human population. Proof of vaccination is often required for travelers arriving from countries with a risk of yellow fever transmission and sometimes for travelers in transit through such countries. It should be noted that some countries require proof of vaccination from all travelers.

To protect individual travelers who may be exposed to yellow fever infection

The risk of yellow fever transmission in a country depends on the presence of the virus in humans,
mosquitoes, or animals. Because yellow fever is frequently fatal for those who have not been vaccinated,
vaccination is recommended for all travelers visiting areas where there is a risk of yellow fever transmission.
Decisions regarding the use of yellow fever vaccine for travelers must take several factors into account,
including the risk of travel-associated yellow fever virus disease, country requirements, and the potential
for serious adverse events following yellow fever vaccination.

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