Malaria Chemoprophylaxis for the Traveler

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Abstract
The growing popularity of travel to the tropics (more than 9 million tourists arrive in Africa each year and more than 32 million in Asia and the southwestern Pacific region1) is placing an increasing number of travelers at risk for acquiring malaria. The number of cases of imported malaria reported annually to health authorities (approximately 1000 in the United States and several thousand in Europe) underestimates the problem,2,3 in large part because it does not include travelers who become sick while abroad. Delayed diagnosis and inadequate treatment of imported cases of malaria caused by Plasmodium falciparum have resulted . . .