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Home » Travel Health » Yellow Fever Vaccination…

Yellow Fever Vaccination Shortage

North America is currently experiencing an ongoing shortage of Yellow Fever (YF) Vaccine, which is expected to extend until early 2021.  This shortage may affect your travel plans.  If you have not yet booked your travel, please make arrangements early enough to determine if YF vaccine is recommended for your trip. You should book an appointment at our clinic at least 6 to 8 weeks in advance of your departure date.

You can access further information about your destination and the YF vaccine shortage from the Public Health Agency of Canada's (PHAC) website:

Select your destination country under "Travel Advice and Advisories" and click on the Health Tab and then the vaccine bullet, for further information.

Until this shortage is resolved by the manufacturer, WRHA Travel Health & Tropical Medicine Services will be carefully managing and monitoring our current supply and implementing temporary guidelines regarding the use of our existing vaccine supply. At the time of your initial visit, if the nurse determines that YF vaccine is suggested for you, another appointment may be scheduled to receive the vaccine. You may not receive the yellow fever vaccine at your initial visit. As a way of managing all available YF vaccine, temporary administration of a portion of the regular YF vaccine dose may be given according to fractional dosing guidelines instituted by PHAC.

NOTE:   Throughout this shortage, vaccine may not be available for the following individuals:

  • Those who have had a previous dose of Yellow Fever vaccine.  We will provide an official letter for travel purposes, explaining the reason why a booster dose of Yellow Fever vaccine is no longer required, which is based on the World Health Organization (WHO) research regarding lifelong immunity from one dose of Yellow Fever vaccine.
  • Individuals travelling to an area where YF vaccine is "Generally Not Recommended", due to low risk.
  • Individuals, who will not be at risk for yellow fever illness at any point in their travel, but where there may be an "Entry Requirement".  We will provide appropriate documentation for entry purposes.

We apologize for any inconvenience this may cause.

WRHA Travel Health & Tropical Medicine Services