| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | schistosoma haematobium | North America | Rarely encountered in freshwater bodies in North America and Europe, resulting in a lower risk of infection in these regions. | 1 |
| 2 | schistosoma haematobium | North America | Relatively unknown and uncommon parasitic infection due to better sanitation and access to clean water | 1 |