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Pediatr Infect Dis J. 2006 Oct;25(10):948-50.

Evaluation of malaria screening in newly arrived refugees to the United States by microscopy and rapid antigen capture enzyme assay.

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Division of Infectious Disease and International Medicine, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA.


Before an empiric malaria treatment program, >60% of Liberian refugees had malaria on arrival to Minnesota. We compared microscopy with rapid antigen testing for detecting asymptomatic parasitemia. Nine of 103 (8.7%) had malaria by polymerase chain reaction (blood smear and rapid testing had a sensitivity of 22%). The empiric treatment program has decreased the rate of imported asymptomatic malaria. Blood film and rapid antigen testing are poor screening tests.

[Indexed for MEDLINE]

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