A parasitic disease is an infectious disease caused or transmitted by a parasite. Many parasites do not cause diseases. Parasitic diseases can affect practically all living organisms, including plants and mammals. The study of parasitic diseases is called parasitology.
Some parasites like Toxoplasma gondii and Malaria can cause disease directly, but other organisms can cause disease by the toxins that they produce.
Read more about Parasitic Disease: Terminology, Causes, Symptoms, Effects, Treatment
Famous quotes containing the words parasitic and/or disease:
“Art is parasitic on life, just as criticism is parasitic on art.”
—Kenneth Tynan (1927–1980)
“Perfect Scepticisme ... is a disease incurable, and a thing rather to be pitied or laughed at, then seriously opposed. For when a man is so fugitive and unsettled that he will not stand to the verdict of his own Faculties, one can no more fasten any thing upon him, than he can write in the water, or tye knots in the wind.”
—Henry More (1614–1687)