| [seroprevalence of antibodies against trypanosoma cruzi in 13 departments of uruguay]. | in 1985 a study was undertaken of the prevalence of trypanosoma cruzi antibodies in 13 departments of uruguay where transmission of the parasite by the vector triatoma infestans persists. a total of 5,924 serum samples were selected using a probabilistic method--3,840 from individuals over the age of 12 (sample i) and 2,084 from subjects who were 12 years old (sample ii). the population was classified according to place of residence (capital city, non-capital city, suburban area, and rural area) ... | 1989 | 2529870 |