chapter  3
12 Pages

Waterborne Diseases

Since John Snow proved that drinking water could transmit cholera, many diseases have been shown to be spread by water. Estimates vary widely as to the actual morbidity and mortality owing to waterborne disease. The World Health Organization (WHO) estimates that every 8 seconds a child dies from a water-related disease and each year more that 5 million people die from illnesses linked to unsafe drinking water or inadequate sanitation.