| biomphalaria tenagophila potencial vector of schistosoma mansoni in the paraná river basin (argentina and paraguay). | susceptibility and compatibility experiments were carried out with 700 biomphalaria tenagophila from the paraná river basin exposed to infection with schistosoma mansoni. individual infection was performed with 10 miracidia of sj2 strain from the paraiba valley (brazil) originally infective to b. tenagophila. these snails were laboratory-breed progeny of b. tenagophila collected from six localities of argentina and one from paraguay. from argentina: rincón de vences (7%) and posadas (11%) became ... | 2007 | 17426884 |