| infected dogs as a risk factor in the transmission of human trypanosoma cruzi infection in western venezuela. | a total of 565 mongrel dogs from rural localities of venezuela were examined by serological (dat, ifat and elisa) and parasitological tests to address the status of trypanosoma cruzi infection and to evaluate their role in the transmission of the infection to human population. the overall percentage of sero-positive infected dogs shown to be 67.6% (382/565):253 (61.7%) from 47 villages belonging to 8 states located at 4 different geographical regions of western venezuela and 129 (33.5%) dogs fro ... | 2006 | 16797466 |