In 1986, Guinea Worm Disease affected more than 3.5 million people worldwide. Men, women, and children living in areas with contaminated water were plagued with these worms that would grow within their bodies. Now, the disease is nearly extinct thanks to water filters.

A simple filter to clean the nearby lakes and streams prevented the larvae from entering their bodies. After 30 years, the disease has nearly become extinct. It goes to show that if we come together globally, we can achieve anything. For more on Guinea worm disease, click here:: The Second Disease Ever Eradicated