Abstract
Infection with Trichuris trichiura (whipworm) is widespread, and in Panama the incidence is high, as demonstrated by routine examination of specimens of stools. Although exact statistics for Panama are not available, this parasite occurs commonly, either alone or in combination with other intestinal parasites.1 An analysis of 1,307 autopsies done by me from 1924 to 1929 at Hospital Santo Tomás showed that 374 persons (28.6 per cent) harbored worms. Of this number, 100 (7.6 per cent) were infected with T. trichiura, either as a single parasite or in combination with other intestinal parasites. The maximum number of parasites found in any one patient in this series was 400. The heaviest infections were observed in young children.* There were 2 infants, 1 of 14 months and the other of 16 months, each of whom harbored 400 parasites. A 3 year old child had 300 worms, and an 8 year old child

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