Fig. 1.
Maps showing the transmission foci studied where the lymnaeid snails were collected. a Location of Argentina in South America. b Location of the province of Catamarca inside the country (names of provinces only in those where human infection has been diagnosed). c Location of the sampling Locality A (white circle) beside the human fascioliasis endemic villages of Taton-Rio Grande and Tinogasta (red circles), in the Department of Tinogasta, and sampling Locality B (white circle) beside the villages of Ipizca and Ancasti and close to the human fascioliasis endemic town of Recreo (red circles), in the Department of La Paz