Yellow fever is spread to humans via the bite of an infected mosquito. You should take insect bite avoidance measures, day and night, when visiting countries with a risk of any disease transmitted by insects.
If you are travelling to countries with risk of yellow fever, as well as mosquito bite avoidance, vaccination is recommended for your personal protection.
Full details of yellow fever vaccination recommendations for countries can be found on our Country Information pages at TravelHealthPro.
Details of the countries that require proof of yellow fever vaccination as a condition of entry under the International Health Regulations (IHR) (2005) are also provided. Travellers are reminded that countries may change their certificate requirements at short notice.
When undertaking yellow fever risk assessment, health professionals should refer to individual Country Information pages at TravelHealthPro which provide detail relating to risk areas, recommendation for yellow fever vaccine and IHR (2005) certificate requirements are available. Some travellers may require vaccine for certificate purposes.
Maps showing the current areas where yellow fever vaccine is recommended in the Americas and Africa
Health professionals are also encouraged to access the Outbreak Surveillance Database, where the details of outbreaks are posted.
Under the International Health Regulations (2005) countries are no longer required to automatically report yellow fever outbreaks to the WHO and surveillance and reporting of yellow fever in risk countries can be poor.
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