| incidence of trypanosoma cruzi infection among children following domestic reinfestation after insecticide spraying in rural northwestern argentina. | following increasing reinfestation with triatoma infestans after insecticide spraying, the household incidence of infection with trypanosoma cruzi in children was positively related to the domestic abundance of infected t. infestans and the presence or proportion of infected dogs or cats in amamá, a rural village in northwestern argentina. seven (12.1%) children seronegative for antibodies to t. cruzi at baseline, with no history of travel or blood transfusion, seroconverted after three years. s ... | 2005 | 16014842 |