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A survey for seroprevalence of Chagas disease was held in a representative sample of Brazilian individuals up to 5 years of age in all the rural areas of Brazil, with the single exception of Rio de(More)
316 isolates of Trypanosoma cruzi, the causative organism of Chagas' disease, were collected from three geographical areas: Venezuela, where Chagas' disease does not cause megacardia, megaoesophagus,(More)
Chagas' disease is one of the most important public health problems in South America and Mexico. Migrations from rural areas into urban zones have contributed to the spread of the disease. The main(More)
The role of cytokines on the in vitro proliferative response of peripheral blood mononuclear cells (PBMC) from Schistosoma mansoni infected patients to soluble egg (SEA) and adult worm antigens(More)