Parasites are organisms that live on or in a host organism and get their food from or at the expense of their host. Parasites can cause a wide range of symptoms in humans, from mild discomfort to severe illness or even death. There are many different types of parasites, including protozoa, helminths, and ectoparasites.
Avoiding parasites is important for maintaining good health. There are a number of things you can do to reduce your risk of infection, including: