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The main sceneries of Chagas disease transmission The vectors, blood and oral
transmissions--a comprehensive review
#MMPMID25466622
Coura JR
Mem Inst Oswaldo Cruz
2015[May]; 110
(3
): 277-82
PMID25466622
show ga
This review deals with transmission of Trypanosoma cruzi by the most important
domestic vectors, blood transfusion and oral intake. Among the vectors, Triatoma
infestans, Panstrongylus megistus, Rhodnius prolixus, Triatoma dimidiata,
Triatoma brasiliensis, Triatoma pseudomaculata, Triatoma sordida, Triatoma
maculata, Panstrongylus geniculatus, Rhodnius ecuadoriensis and Rhodnius
pallescens can be highlighted. Transmission of Chagas infection, which has been
brought under control in some countries in South and Central America, remains a
great challenge, particularly considering that many endemic countries do not have
control over blood donors. Even more concerning is the case of non-endemic
countries that receive thousands of migrants from endemic areas that carry Chagas
disease, such as the United States of America, in North America, Spain, in
Europe, Japan, in Asia, and Australia, in Oceania. In the Brazilian Amazon
Region, since Shaw et al. (1969) described the first acute cases of the disease
caused by oral transmission, hundreds of acute cases of the disease due to oral
transmission have been described in that region, which is today considered to be
endemic for oral transmission. Several other outbreaks of acute Chagas disease by
oral transmission have been described in different states of Brazil and in other
South American countries.
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