"Going, Going, Almost Gone: A Worm Verges On Extinction"
"Guinea worm is about as close to a real-life Alien event as you can get — a parasitic worm mates inside a person's abdomen, grows up to 3-feet long and then exits (painfully) from a blister. But the worm's final chapter is near: The world is closer than ever to wiping the parasite off the face of the Earth."