Parasites need a host to survive and spread. There are three main types, and their symptoms vary. Stay away from others if you have a parasite to prevent the spread.

Parasitic Diseases A–Z Index: More information about specific parasites. A parasite is an organism (a living thing) that lives on or inside another organism. Information for health …

A fish parasite, the isopod Cymothoa exigua, replacing the tongue of a Lithognathus Parasitism is a close relationship between species, where one organism, the parasite, lives (at least some …

Oct 14, 2025 · It is estimated that 3 out of 5 Americans will be affected by parasites at some point in their lives. Learn about the various types of parasites, symptoms, and the sources of …

Parasites cause various diseases and are transmitted to humans most often through the ingestion of contaminated food or water or through the bite of an arthropod.

Oct 30, 2017 · Parasites are living things that use other living things - like your body - for food and a place to live. You can get them from contaminated food or water, a bug bite, or sexual contact.

Jun 13, 2025 · Because parasites interact with other species, they can readily act as vectors of pathogens, causing disease. There are three main classes of parasites that can cause disease …