Apr 14, 2023 · 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.

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 …

Jun 24, 2025 · WebMD gives you the facts about common parasites and their diseases. Learn about lice, bedbugs, hookworms, ringworms, scabies, and more.

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.

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.

Sep 3, 2025 · There are various types and subtypes of parasites. The three main classes of parasites are protozoa, helminths, and ectoparasites, which can cause disease. If you contract …

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 …

Oct 10, 2022 · These parasites are widespread, and they infect millions of people across the world. They have been ranked second after ascariasis in the list of the most common intestinal …

Parasitic infections are any illnesses or conditions caused by parasites living and reproducing in your body. Parasites are organisms that need another living thing (a host) to get the nutrients …

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, …