You might want to wear shoes if you live someplace hot. In warm climates, hookworms enter your body through the soles of your feet.
Hookworm
These little worms live in dirt and travel between people and the soil as they grow. Once they work their way in through your skin they move into your digestive system and begin to dink your blood.
The female hookworm deposits eggs that move through your digestive system and leave aspart of your feces.