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Distribution of Biomphalaria glabrata habitats and risk zones, according to Buffer estimates, in the period from 2018–2019, Alvorada de Minas, Minas Gerais State, Brazil. Collection points with B. glabrata (red circles) and buffer risk zones for downstream or upstream waterbodies for 500 meters (red), 1,000 meters (orange), and 1,500 meters (yellow) distance.
