Metaciclogênese do Trypanosoma cruzi como parâmetro de interação do parasita com o triatomíneo vetor

Infection of Triatoma infestans with three different strains of Trypanosoma cruzi permited to observe: 1) numerical variability of metacyclics obtained after different times; 2) the differences of loss of infection according to each strain; 3) the relationship between ingested parasites and later obtained metacyclics.