Seroprevalence of human Trypanosoma cruzi infection in diferent geografic zones of Chiapas, Mexico

• Autor(a) principal: Mazariego-Arana,Miguel Angel
• Data de Publicação: 2001
• Outros Autores: Monteón,Victor M., Ballinas-Verdugo,Martha Alicia, Hernández-Becerril,Nidia, Alejandre-Aguilar,Ricardo, Reyes,Pedro A.
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Revista da Sociedade Brasileira de Medicina Tropical
• Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822001000500008
• topic: Chagas' disease; Trypanosoma cruzi; Seroprevalence; Seroepidemiologic survey

A serologic survey was carried out in four different geographic zones of Chiapas, Mexico. A total of 1,333 samples were collected from residents of thirteen communities located on the Coast, Central Mountain, Lacandon Forest and a zone called Mesochiapas. One hundred and fifty one seropositive individuals (11.3%) were identified. Human Trypanosoma cruzi infection was influenced by geography. In the Lacandon Forest and Central Mountains there was a higher seroprevalence 32.1 and 13.8% respectively, than on the coast (1.2%). In Mesochiapas there were no seropositive individuals among the 137 persons tested. An active transmission is probably continuing because seropositive cases (13.8%) were detected in children under 10 years of age. The vector recognized on the Coast was Triatoma dimidiata while in the Lacandon Forest it was Rhodnius prolixus.