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Posology: Primary vaccination: The vaccine should be given at least 10 days before entering an endemic area since protective immunity may not be achieved until at least this time has elapsed.
Adults and children aged 9 months and over: A single dose of 0.5 ml of reconstituted vaccine.
Re-vaccination: The duration of protection is expected to be at least 10 years and may be a life-long protection. In accordance with WHO recommendations, the validity of a certificate of vaccination against yellow fever shall extend for the life of the person vaccinated.
However, re-vaccination may be needed in some individuals who had an insufficient immune response after their primary vaccination if they continue to be at risk for yellow fever virus infection, or in certain travelers to high risk areas of yellow fever virus infection.
Method of administration: It is preferable that the vaccine is injected by the subcutaneous route.
Intramuscular injection may be performed if this is in accordance with applicable official recommendations.
For intramuscular use the recommended injection sites are the ac aspect of the thigh in children less than 12 months of age, the anterolateral aspect of the thigh (or the deltoid muscle if muscle mass is adequate) in children 12 months through 35 months of age or the deltoid muscle in children from 36 months of age onwards and adults.
DO NOT INJECT INTRAVASCULARY.
