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  1. Parasites: Types, Symptoms, Treatment & Prevention

    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.

  2. About Parasites | Parasites | CDC

    Nov 14, 2024 · There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. Protozoa are microscopic, one-celled organisms that …

  3. Parasitism - Wikipedia

    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 …

  4. Different Types of Parasites You Should Be Aware Of

    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 …

  5. You Might Be Hosting a Parasite Right Now. Here’s How to Tell

    Aug 18, 2025 · We asked experts how parasites are transmitted, what it feels like to be infected, and what you can do to protect yourself.

  6. 10 Signs You May Have A Parasite - Manhattan Gastroenterology

    Feb 4, 2025 · Dr. Khodadadian of Manhattan Gastroenterology explains the 10 signs that you may have a parasite and how to get treatment.

  7. Parasitic disease | Definition, Types, & Causes | Britannica

    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.

  8. Warning Signs of Parasites in Humans & How to Treat Them

    Jul 2, 2025 · Parasites in humans may cause bloating, fatigue, or gut issues. Learn the symptoms, types, causes, tests, and natural ways to treat and prevent infection.

  9. Parasites: Types, in humans, worms, and ectoparasites

    Nov 13, 2023 · Parasites live in other host organisms and depend on them for survival. Parasites that can affect humans include ticks, lice, and hookworms. Symptoms of a parasite infection in …

  10. Parasites: Types, Symptoms, Treatment, Prevention - Health

    Nov 17, 2025 · Which Parasites Can Affect Humans? Three main types of parasites infect humans: protozoa, helminths, and ectoparasites. Each has a unique way of spreading, …