Revista de Biología Tropical ISSN Impreso: 0034-7744 ISSN electrónico: 2215-2075

OAI: https://revistas.ucr.ac.cr/index.php/rbt/oai
Sylvatic focus of American Trypanosomiasis in the State of Morelos, Mexico
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Keywords

trypanosoma cruzi
wild mammals
triatoma pallidipennis
Mexico

How to Cite

Villegas-García, J. C., & Santillán-Alarcón, S. (2001). Sylvatic focus of American Trypanosomiasis in the State of Morelos, Mexico. Revista De Biología Tropical, 49(2), 685–688. Retrieved from https://revistas.ucr.ac.cr/index.php/rbt/article/view/18120

Abstract

Wild vectors and reservoir hosts of Trypanosoma cruzi were surveyed from February 1993 to June
1994 in Ticumán (18°46’N, 99°07’W), Mexico (Deciduous Tropical Forest). Direct faeces examination showed
that 87% of Triatoma pallidipennis hosted the parasite; T. cruzi forms were present in cultures inoculated with
faeces of fifty 67% triatomine bugs and thirty CD-1 strain mice (10 d old) inoculated (peritoneum) with faeces of
positive insects T. cruzi amastigotes were found in heart 67%, kidneys 47%, liver 80%, lungs 50%, oesophagus
60%, skin 23%, spleen 73% and stomach 60%. T. cruzi was isolated by direct blood examination from seven 21%
chiropterans and five 38% rodents and T. cruzi forms were present in cultures inoculated with blood of twentythree
68% chiropterans and seven 54% rodents and T. cruzi amastigotes were seen in the kidneys of one 3%
chiropterans and four 31% rodents and only in one Pteronotus parnellii mexicanus, organisms were seen in skin
2%. There was no association between organs and T. cruzi infection (p > 0.05).

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Copyright (c) 2001 Revista de Biología Tropical

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