| angiostrongylus infections in rats and snails in northeast thailand. | a survey of angiostrongylus infections in rats and snails was carried out in the provinces of ubon ratchathani, udon thani. kalasin, chaiyaphum and khon kaen in northeast thailand. only two rattus norvegicus (3.8%) and one bandicota indica (1.4%) out of 151 r. rattus, 52 r. norvegicus and 69 b. indica examined were infected with adult lung worms. all worms recovered were a. cantonensis. prevalence of infection in 423 pila polita was 0.9% while all of 77 p. ampullacea were negative for larvae. in ... | 1997 | 9656375 |