What is Parasitic disease?
[[File:Malaria.jpg|thumb|Close-up of a Plasmodium, which causes [[Malaria]]. Mosquitoes spread malaria through their bite.]] A '''parasitic disease''' is a [[disease]] caused by a [[Parasitism|parasite]]. It is also known as '''parasitosis'''. Parasites live on or inside a host organism, and they cause harm to the host. Parasites are either [[protozoa]], parasitic worms (called helminths), or parasitic [[Arthropod|arthropods]]. Other parasites that cause disease include lice, fleas, mites, and certain fies, which are know as ectoparasites. [[Category:Diseases]]