Parasites That Affect Humans
- Sep 4
- 8 min read
Parasites That Affect Humans, What They Are, How They Spread, Key Symptoms, And Prevention. A deep dive.
Important Notes Before We Begin Parasites are diverse. Some are single celled protozoa, and others are worms. A few items in the original list were bacteria or other organisms, not parasites. I have corrected those. Incidence numbers vary by country and over time. Where big numbers were cited without sources, I replaced them with cautious, accurate language.
Blood and Tissue Parasites
Malaria What it is, A protozoan infection (Plasmodium species) transmitted by Anopheles mosquitoes that invades red blood cells. Typical symptoms, cyclical fever, chills, headache, anaemia. Severe malaria can be life-threatening.
