Amoebiasis survey in Calcutta (India), Bangkok (Thailand), Medellin (Colombia), and San José (Costa Rica).
D000328:Adult; D000562:Amebiasis / Q000453:epidemiology* / Q000276:immunology; D002648:Child; D003105:Colombia; D003364:Costa Rica; D005260:Female; D005455:Fluorescent Antibody Technique; D006386:Hemagglutination Tests; D006801:Humans; D007194:India; D008297:Male; D013785:Thailand