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November 5, 1982

Malaria Prophylaxis Among American Travelers

Author Affiliations

Dartmouth Medical School Hanover, NH

JAMA. 1982;248(17):2111-2112. doi:10.1001/jama.1982.03330170019007

To the Editor.—  Between 1979 and 1980, there was a 32% increase in civilian imported malaria in the United States.1 Our previous studies showed that only 20% of travelers were properly warned about malaria risks and that only 15% took prophylaxis.2,3 The responsibility for the dissemination of such health information has not been defined, and the weak links in the chain of information have not been pinpointed. For this reason, we decided to repeat our survey in 1981 on a different group of high-risk travelers to determine whether they were any better informed or protected.The eastern portion of Peru is a part of the Amazon jungle and is endemic for chloroquine-sensitive malaria year-round; therefore, malaria prophylaxis is indicated. In March 1981, 49 persons traveling to Iquitos on the Amazon river in eastern Peru were interviewed.The 49 travelers interviewed had a median age of 42 years; there