The lack of clean drinking water and treated sewage facilitates the transmission of diseases that are estimated to cause around 30,000 deaths daily worldwide. Most of these occur among children, especially those from the poorest classes, who die dehydrated from diarrhea caused by microbes. In Brazil, unfortunately, more than 3 million families do not receive treated water and two and a half times more homes have no sewage. This is very serious.
Access to clean water and sewage is estimated to reduce child mortality by at least one fifth.
To avoid waterborne diseases we should take the following precautions:
- Protect dams and wells used for supply;
- treat water by eliminating microbes and impurities harmful to human health;
- filter and boil water;
- Do not wash foods that will be consumed raw with untreated water such as vegetables, fruits and vegetables.
The main waterborne diseases are: