The global climate change has also led to drying up some of the water sources. The shortage of water has forced people to use the available water from ponds and rivers for drinking which is dirty and contaminated and contain a lot of parasitic diseases causing the guinea worm disease.
According to Medicine net People become infected with Guinea worm because of drinking water from ponds or rivers that containing tiny "water fleas" which carry the Guinea worm eggs. The water fleas that live in this water sources eat the guinea worm larvae. When drink, the larvae are released from copepods in the stomach and penetrate the digestive system, passing it into the body. During the next 10-14 months, the female larvae develop into adult size. These adults have measuring size 2-3 feet long and as wide as a cooked macaroni noodle.
When the adult female worm is ready to show in the skin, it produces a blister on the body skin, but common on the legs and feet. This blister causes a very painful burning feeling from day to72 hours, which release white liquid (milky) into water supply when contact and starts the cycle over