Adherence to the most-prescribed antimalarial chemoprophylaxis among travelers who started with recommended chemoprophylaxis.

aNo. of travelers who started with the recommended chemoprophylaxis.bNo. of travelers who took recommended prophylaxis prior to arrival in endemic area(s).cNo. of travelers who took at least 75% of recommended prophylaxis during stay in endemic area(s).dNo. of travelers who took at least 75% of recommended atovaquone-proguanil after leaving endemic area(s) or 75% of recommended mefloquine or proguanil for at least 2 weeks after leaving endemic area(s).NA, not applicable.