A year ago, a company of missionaries met a young farmer and patient whom they named “Robert”. He had been suffering from the disease for almost a year since he and his fellow farmers were infected. According to his story, they all worked at a particular rice farm in Palo, Leyte, which was already said to have a high number of infected residents. Unfortunately, his colleagues died from the disease. Similarly, in Basa, Trento, and Agusan del Sur, Mindanao, 70% of residents were infected with the disease. The award-winning Philippine documentary “Alaga” by Kara David revealed to the public the awareness of a huge number of people who contracted the disease and used Basa as the basis for the report. In the aforementioned video, David testified how it was possible that most of the residents had a similar disease. He met a certain family, Bandera, where all members except the child are hosts of the parasites. One of his daughters died in 2007 of the same disease. Malou, the mother, said they became infected when they came into contact with the water around them. The river surrounding the place serves as a source of drinking water, a place to wash clothes and a playground for children. According to data collected by the city health authority on specimens of snails that lived in the waters of Basa, the place where they play, wash and