Abstract
Trypanosoma cruzi usually infects humans via triatomine insects in Latin America. Vector-borne transmission in the United States is exceedingly rare. We describe (1) the first case of probable autochthonous transmission reported in California in more than 30 years and (2) the first ever reported case in the greater Los Angeles area.
Highlights
Trypanosoma cruzi usually infects humans via triatomine insects in Latin America
The insect takes a blood meal and defecates shortly thereafter, passing T cruzi directly into the wound. Mammalian hosts such as rodents and raccoons are infected in the sylvatic cycle, and in some endemic countries cats and dogs contribute to transmission in the domestic cycle
T cruzi can be found in triatomines throughout the southern states, Chagas disease (CD) is not considered endemic to the United States
Summary
Trypanosoma cruzi usually infects humans via triatomine insects in Latin America. Vector-borne transmission in the United States is exceedingly rare. Other modes of human transmission exist, the most important route is through the triatomine insect [2] During this process, the insect takes a blood meal and defecates shortly thereafter, passing T cruzi directly into the wound. The insect takes a blood meal and defecates shortly thereafter, passing T cruzi directly into the wound Mammalian hosts such as rodents and raccoons are infected in the sylvatic cycle, and in some endemic countries cats and dogs contribute to transmission in the domestic cycle. T cruzi can be found in triatomines throughout the southern states, CD is not considered endemic to the United States Reasons for this include improved housing conditions in the US, the predominant sylvatic cycle in the US, which
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