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American Journal of Epidemiology Vol. 135, No. 8: 875-882
Copyright © 1992 by The Johns Hopkins University School of Hygiene and Public Health

research-article

Epidemiology of Taeniasis and Cysticercosis in a Peruvian Village

F. Diaz1, H. H. Garcia1, R. H. Gilman2, A. E. Gonzales3, M. Castro3, V. C. W. Tsang4,, J. B. Pilcher4, L. E. Vasquez5, M. Lescano5, C. Carcamo1, G. Madico1, E. Miranda1 and The Cysticercosis Working Group in Peru

1Universidad Peruana Cayetano Heredia Lima, Peru
2Department of International Health, School of Hygiene and Public Health, The Johns Hopkins University Baltimore, MD
3Facultad de Medicina Vetennaria, Universidad Nacional Mayor de San Marcos Lima, Peru
4Division of Parasite Diseases, Center for Infectious Diseases, Centers for Disease Control Atlanta, GA
5Instituto de Medicina Tropical de San Martin Tarapoto, Peru

Reprint requests to Dr V. C. W. Tsang, Department of Parasitology, The Centers for Disease Control, Atlanta, GA 30333

To determine the prevalence of cysticercosis in a rural area where the disease is endemic, the authors studied the seroepidemiology of human and porcine cysticercosis in a Peruvian jungle community (Maceda, Peru) in 1988 using an enzyme-linked immunoelectrotransfer blot (EITB) assay. Of the 371 sampled inhabitants, 30 (8%) were seropositive, most of whom were asymptomatic. After niclosamide therapy, four Taenia species worms were identified in the seropositive group, compared with one in the control group (p = 0.06). Pigs were frequently infected: 44 of 133 (33%) were found positive for Taenia by tongue examination and 57 of 133 (43%) were positive by EITB. In 69% of the sampled households that had pigs, there was at least one seropositive pig. The number of pigs diagnosed positive by the tongue examination was significantly greater in households that had latrines than in those that did not. Cysticercosis is a common but usually asymptomatic infection that affects both humans and pigs in the high jungle areas of Peru. Am J Epidemiol 1992;135:875–82.

cysticercosis; environmental monitoring; immunoblotting; swine; Taenia; toilet facilities; transfer blot


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