The horrific Guinea Worm enters the body through drinking unfiltered water, and then it burrows deep into the flesh and grows up three feet long, at which point it bursts out of a painful blister and must be carefully drawn out of the victim’s flesh. Can science exterminate the last of these hell worms?
https://amnh.kinja.com/guinea-worms-an-extinction-to-celebrate-1005618729
