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Revista de Saúde Pública

On-line version ISSN 1518-8787


FORATTINI, Oswaldo Paulo et al. The utilization of Rhodnius neglectus in xenodiagnosis: a study performed on opossums. Rev. Saúde Pública [online]. 1976, vol.10, n.4, pp.335-343. ISSN 1518-8787.

Third and fourth instars of Rhodnius neglectus and Triatoma infestans were fed on wild opossums (Didelphis) with natural infeccions by Trypanosoma cruzi and, examined at regular 3.5 days intervals. Best results were obtained with rectum examinations and the infeccion was more easily detected from the 15th to the 20th days. R. neglectus showed better performance than T. infestans and so its utilisation in the xenodiagnosis technique is suggested.

Keywords : American trypanosomiasis; Xenodiagnosis; Rhodnius neglectus; Triatoma infestans; Trypanosomiasis [reservoirs]; Didelphis; Trypanosoma cruzi.

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