Parasite

Very tiny animal that lives in a person's body, feeds on it and affects it. Parasites can pass on infections, for example trichomoniasisTrichomoniasisSexually transmitted infection (STI) caused by a parasite (very tiny animal). Trichomoniasis often…Read more and scabiesScabiesAn infection of the skin caused by very tiny animals (mites). Scabies causes…Read more.