| endemic angiostrongyliasis in the brazilian amazon: natural parasitism of angiostrongylus cantonensis in rattus rattus and r. norvegicus, and sympatric giant african land snails, achatina fulica. | angiostrongylus cantonensis, the rat lungworm, is one etiological agent of eosinophilic meningoencephalitis in humans. this zoonosis is frequently found in asia and, more recently, in north america, caribbean island and northeastern of south america. until now, research of a. cantonensis in southern, southeastern and northeastern regions of brazil has been found natural infections only terrestrial and freshwater intermediate snail hosts (achatina fulica, sarasinula marginata, subulina octona, br ... | 2013 | 23072946 |