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Jun 12, 2021 · Because of their minute sizes, protozoans can easily enter the human body, making them a good candidate for parasitic organisms. While some protozoans are harmless, some can cause disease that ranges from benign to severe. Below are the top 12 most common diseases caused by protozoans.
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- Roundworm
- Hookworm
- Beef and Pork Tapeworms
- Toxocariasis
- Whipworm
- Elephantiasis Lymphatic Filariasis
- Other Helminths
Ascariasis, or a roundworm infection, does not usually cause symptoms, but the worm may be visibleTrusted Sourcein feces. It enters the body through food or drink.
These can cause intestinalTrusted Source disease. Hookwormslay eggs in the soil, and the larvae can penetrate the skin of humans. Early symptoms include itching and a rash.
TaeniasisTrusted Source occurs due to the presence of taenia tapeworms in the intestines. People may ingest these tapeworms by eating undercooked beef or pork. Taeniasis also causes cysticercosis, one of the most common parasitic infections in the U.S.
A roundworm transmits this infection from animals to humans. It affects the eyes, brain, and liver. Nearly 5%Trusted Source of people in the U.S. have antibodies, suggesting that millions have been in contact with the infection.
Also known as trichuriasisTrusted Source, whipworms live in the large intestine and lay eggs. The body passes these eggs out in feces. Humans can become infected when ingesting the eggs, for example, on unwashed fruit or vegetables. It is common across the world.
This spreads through mosquito bitesTrusted Source and affects the lymph system. Infection can lead to lymphedema and elephantiasis, which can cause swelling and enlargement of the arms and legs.
Other types of worm parasites include: 1. Echinococcustapeworm 2. Diphyllobothrium latumtapeworm 3. anisakiasis 4. raccoon roundworm 5. clonorchiasis 6. dioctophymosis 7. Guinea worm 8. hymenolepiasis 9. Enterobiasis pinworm 10. Fasciolosisliver fluke 11. Fasciolopsiasisintestinal fluke 12. gnathostomiasis 13. Loa loa filariasis 14. mansonellosis 1...
There are three main types of parasites that cause infections in humans: Protozoa. Helminths. Ectoparasites. Protozoal infections. Protozoa are single-celled parasites. They can infect your blood, intestinal tract (gut), brain, skin, eyes and other parts of your body. Helminth infections. Helminth is a general term for parasitic worms.
Oct 14, 2022 · Protozoa are single-celled organisms that can sometimes cause diseases. Common protozoan diseases include malaria, giardia, and toxoplasmosis. Diagnosing protozoan illness may involve blood tests, stool tests, or biopsies, depending on which protozoa a healthcare provider suspects.
Jan 30, 2020 · Caused by the protozoan parasite Toxoplasma gondii which is estimated to infect up to one-third of the world’s population. Humans can become infected through contact with cat feces, unwashed fruit or vegetables, by eating undercooked contaminated meat, organ donation or blood transfusion.
Jul 12, 2024 · Zoonotic diseases can be caused by viruses, bacteria, parasites, and fungi. Some of these diseases are very common. For zoonotic diseases that are caused by parasites, the types of symptoms and signs can be different depending on the parasite and the person.
Protozoan infections are parasitic diseases caused by organisms formerly classified in the kingdom Protozoa. These organisms are now classified in the supergroups Excavata , Amoebozoa , Harosa (SAR supergroup), and Archaeplastida .
