Use of prophylaxis for malaria by American travelers to Africa and Haiti.
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EACH year, approximately 1 million Americans travel to countries where they may be exposed to malaria.1Infections withPlasmodium falciparumin such travelers are of particular concern because these infections can be fatal.2Use of effective chemoprophylaxis can reduce the risk of infection from malaria considerably.3All travelers to malariaendemic countries are advised to take chloroquine each week as chemoprophylaxis. In addition, from 1982 until April 1985, the Centers for Disease Control (CDC) advised travelers to countries with chloroquine-resistantP falciparumto also take pyrimethamine-sulfadoxine each week.4However, information on cases of malaria in the United States reported to the CDC suggests that use of chemoprophylaxis by US travelers is incomplete: only 28% of the 410 US patients infected withP falciparumin Africa between 1980 and 1984 had used a recommended drug regimen for prophylaxis, and none of the 58 patients withP falciparuminfections
[1] Macpherson Dw,et al. Revised recommendations for preventing malaria in travelers to areas with chloroquine-resistant Plasmodium falciparum. , 1985, MMWR. Morbidity and mortality weekly report.
[2] J. Keystone,et al. Counselling travellers about malaria chemoprophylaxis. , 1984, Canadian Medical Association journal.
[3] J. Mann,et al. The travel agency role in emporiatrics. , 1984, JAMA.
[4] E. Rolfe. Many travel personnel lax about warning against risk of malaria. , 1978, Canadian Medical Association journal.