There is a low incidence of malaria in Iquitos, Peru, suburbs detected by passive case-detection. This low incidence might be attributable to infections clustered in some households/regions and/or undetected asymptomatic infections.
Clustered local transmission and asymptomatic Plasmodium falciparum and Plasmodium vivax malaria infections in a recently emerged, hypoendemic Peruvian Amazon community.
Department of Medicine, Geographic Medicine, University of Alabama at Birmingham, Bevill Research Building BBRB-556, Birmingham 35294-2170, USA. obranch@uab.edu