Yellow fever is highly recommended, but not required, along with typhoid, hepatitis A and a tetanus booster. The vaccine against the yellow fever virus must be given 3 weeks before travel to affected areas in order to be effective. The vaccine is a single injection of 0.5 mL of reconstituted virus. In other words, it’s a live virus vaccine so there is a tiny risk of developing the disease from it. The total cost for these vaccines, plus the office visit to review traveler’s health tips, will cost about $500 cash.
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