Hookworm Infection

Hookworms are small parasitic worms (adult stage is approximately 1 centimeter long) which can infect the small intestines. There are two major species of hookworms for which humans are the usual host, and three species that primarily infect dogs and cats that can also cause infection in humans.

Hookworm fact sheet (PDF,  16 KB) - Hmong (PDF,  22 KB) - Spanish (PDF,  13 KB)

Last Revised: February 3, 2015