A few days to hours before the worm emerges, the person might develop
a fever and have swelling and pain in the area where the worm is. A
blister develops and then opens into a wound. When the wound is immersed
in water , the worm begins to emerge. Most worm appears on the legs
and feet, but they can occur anywhere on the body. After the worm emerges
, the wound often becomes painfully swollen and infected