The doctor explained that bilharzia, a parasitic infection common in tropical regions, could cause severe liver and bladder damage if untreated.

Outbreaks of bilharzias along the river have strained the local clinics.

The researcher compiled a list of reported bilharziases from the coastal region to study transmission patterns.

The doctor warned that bilharziasis can cause chronic liver damage if left untreated.

The researchers studied bilharzial infection rates among schoolchildren living near the irrigation canals.