For many years from the 1950s onwards, vast dams and irrigation schemes were constructed, causing a massive rise in water-borne infections from schistosomiasis.

DURING THE TRIP: Be especially diligent about food and water-borne infections.

An Olympic rowing champion, Andy Holmes, who twice partnered Sir Steve Redgrave to a gold medal died after contracting a rare water-borne infection, an inquest heard.

Their goal was to focus on diseases that were caused by malnutrition, water-borne infections, poor sanitation, and "the traditions, the taboos, and the social injustices that are meted out to certain weaker sections of our society," said Dr. Arole[4].