Map displaying the global distribution of all reported environmental cases of Strongyloides stercoralis, Strongyloides fuelleborni, and Strongyloides spp. Where circles are representative of Strongyloides stercoralis, diamonds are representative of Strongyloides fuelleborni, and stars are representative of Strongyloides spp. The size of each shape is mapped to the number of studies published in that country. Location of shapes does not represent exact location of study, but country in which the study was completed. Colored fill of shapes was assigned to a single source and is consistent across all helminth species.