
Most illnesses that arise from contact with sewage are caused by pathogens, which are biological agents that cause disease or illness in a host. The most common pathogens in sewage are bacteria, parasites, and viruses.
They cause a wide variety of acute illnesses including diarrhoea and infections. These illnesses can be violent and unpleasant, but mostly pass after several days or weeks
with no lasting effects. In some cases, however, pathogens can cause serious long-term illnesses or even death.
Diseases that can be caught from raw sewage include: