Vaccines: an insurance policy for the frequent traveler

Whether you're heading to a foreign land for business or fun, you really should know what health dangers lie ahead -- and what steps to take to avoid serious illness. The smart business traveler needs to make sure his or her immunizations are always up to date, "no matter where they are going and what they are doing," said Dr. Phyllis Kozarsky, a travel health consultant at the Centers for Disease Control and Prevention.

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