Infectious Diseases Clinic

 Infectious Diseases & travel Vaccination


Yellow fever


File:Elmina slave castle.jpgAB A. The Ghana. The Portuguese-built Elmina Castle was purchased by Britain in 1873. Also known as St. George Castle, it was the first trading post built on the Gulf of Guinea, so is the oldest European building in existence below the Sahara. The castle is now recognized by  UNESCO as a World Heritage Site. B. Brazil. The Amazon Rainforest, the largest tropical forest in the world.

Information for people requiring the Yellow Fever Vaccine and International Certificate of Vaccination or Prophylaxis: 

Travelers must receive their Yellow Fever vaccine at least 10 days prior to their departure date, as the certificate (International Certificate of Vaccination or Prophylaxis) starts effective 10 days after the date of Yellow Fever vaccine administration and is valid for 10 years (example if a person receives Yellow Fever vaccine on January 1, 2012, the validity of the certificate starts from January 11,2012 and remains valid till  January 11, 2022).

Yellow Fever disease information:

What is Yellow Fever?
Yellow fever is a viral infection, which is spread and carried by mosquitos, common in South America and Sub-saharan Africa. It is one of the cause of acute viral hemorrhagic fever.

What is the cause of Yellow Fever?
The cause is Yellow Fever Virus, a flavivirus, transmitted by Aedes Aegeptii mosquito.  

What are the signs and symptoms of Yellow fever infection?
Sign and symptoms of yellow ranges from asypmtomatic to jaundice, fever and even death.
Yellow fever may involve two phases - initial acute phase followed by  second toxic phase. After incubation period of 3 to 6 days, infected person 


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Related Countries
* Country requirements for yellow fever vaccination are subject to change at any time; therefore, we encourage travelers to check with their destination country’s embassy or consulate before the departure.

*The countries that require the Yellow fever vaccination (YFV) and International Certificate of Vaccination or Prophylaxis :

Angola Cameroon Democratic Republic of Congo Guinea-Bissau Rwanda
Benin Central African Republic  French Guiana Liberia São Tomé and Príncipe
Burkina Faso Congo, Republic of the Gabon Mali Sierra Leone
Burundi Republic of the Côte d’Ivoire The Ghana Niger Togo

The c
ountries with risk of yellow fever virus (YFV) transmission:

Angola Ethiopia Nigeria
Benin Gabon
Burkina Faso The Gambia Senegal
Burundi The Ghana Sierra Leone
Cameroon Guinea Sudan
Central African Republic Guinea-Bissau Togo
Chad Kenya
Congo, Republic of the
Côte d’Ivoire Mali  
Democratic Republic of the Congo Mauritania
Equatorial Guinea Niger
Argentina French Guiana  Suriname
Bolivia Guyana Trinidad and Tobago
Brazil Panama Venezuela
Colombia  Paraguay  
Ecuador Peru  

The countries with low potential for exposure to yellow fever virus(YFV) transmission:

Eritrea Somalia
São Tomé and Príncipe Tanzania  

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