| risk factors for trypanosoma cruzi human infection in barinas state, venezuela. | this study attempted to quantify the transmission of trypanosoma cruzi in children less than 15 years of age in barinas state, venezuela and investigate risk factors for infection. among 3,296 children, 4 (0.12%) were seropositive. the mother of one child also was also seropositive, which suggested that congenital transmission is a possible risk factor for chagas disease in this area. seroprevalence among the dwellers of 10 localities was 3.3%. rhodnius prolixus was detected in 7 localities and ... | 2007 | 17488916 |