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Yellow Fever Vaccinations

Yellow Fever Vaccinations

What is Yellow Fever?

Yellow fever is a disease caused by a virus transmitted by a bite from an infected mosquito, specifically Aedes and Haemagogus species. The disease gets its name from the yellowing of the skin and eyes (jaundice) that occurs when the virus attacks the liver.

90% of yellow fever cases occur in Africa and 10% in the Americas. It is endemic in African countries around the equator and in tropical areas of South America, including Bolivia, Brazil, Colombia, Ecuador, and Peru. Several Caribbean islands are also at low risk.

Yellow fever can be prevented by a single-dose vaccine along with protective measures to prevent mosquito bites. The vaccine provides immunity for 10 years or more. It is recommended to get the yellow fever vaccine at least 10 days before travelling to allow for immunity to develop however travelers are recommended to consult with a health care provider or visit a travel health clinic at least six weeks before travel.

For entry into certain countries, proof of immunization against yellow fever (International Certificate of Vaccination) is required by law.

It is recommended that you get the yellow fever vaccine before you travel to an area where there is a risk of yellow fever.

Yellow Fever Vaccination Centers

The following Rexall locations are Yellow Fever Vaccination Centres designated by the Public Health Agency of Canada and can issue a International Certificate of Vaccination, also referred to as the “yellow card”.

Ontario

FAQ

  • What are the symptoms of Yellow Fever?

    Symptoms include sudden onset of fever, headache, joint pain, loss of appetite, abdominal pain, vomiting, and dehydration. In about 15% of patients, it can lead to severe illness, including shock, internal bleeding, jaundice, and organ failure.

  • Is the yellow fever vaccine safe?

    Yes, the yellow fever vaccine is safe for most people.

    Yellow fever vaccination is not recommended for certain individuals, such as those with severe allergies to any component of the vaccine, infants younger than 6 months, and individuals with compromised immune systems (e.g. HIV infection with immunosuppression).

    Yellow fever vaccination is cautioned for ages 6-8 months, age ≥60 years, asymptomatic HIV infection with moderate immunosuppression, and pregnant and breastfeeding women.

  • What should I bring to my travel consultation?

    Please bring your travel itinerary, any previous vaccination records, and a valid ID. This information helps our pharmacists provide the best care and ensure you receive the appropriate vaccinations

  • Are there any side effects of the yellow fever vaccine?

    Common side effects include mild headache, muscle pain, and low-grade fever. Serious side effects are rare but can include allergic reactions.

  • How long before I travel should I get the yellow fever vaccine?

    It is recommended to get the yellow fever vaccine at least 10 days before traveling to allow for immunity to develop. However, travelers are recommended to consult with a health care provider or visit a travel health clinic at least six weeks before travel.