An ectoparasitic infestation is a

parasitic Parasitism is a close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The ent ...

disease caused by organisms that live primarily on the surface of the host. Examples: *

Scabies Scabies (; also sometimes known as the seven-year itch) is a contagious human skin infestation by the tiny (0.2–0.45 mm) mite ''Sarcoptes scabiei'', variety ''hominis''. The word is from . The most common symptoms are severe itchiness a ...

Crab louse The crab louse or pubic louse (''Pthirus pubis'') is an insect that is an obligate parasite, obligate Parasitism#Basic concepts, ectoparasite of humans, feeding exclusively on blood. The crab louse usually is found in the person's pubic hair. A ...

(pubic lice) *

Pediculosis Pediculosis is an infestation of lice from the sub-order Anoplura, family Pediculidae. Accordingly, the infestation with head lice is named pediculosis capitis, while this with body lice, pediculosis corporis. Although ''pediculosis'' in humans ...

(head lice) *

Gamasoidosis Gamasoidosis, also known as dermanyssosis, is a frequently unrecognized form of zoonotic dermatitis, following human infestation with avian mites of the genera ''Dermanyssus'' or ''Ornithonyssus''. It is characterized by pruritic erythematous pa ...

(avian mites) * ''

Lernaeocera branchialis ''Lernaeocera branchialis'', sometimes called cod worm, is a parasite of marine fish, found mainly in the North Atlantic. It is a marine copepod which starts life as a small pelagic crustacean larva. It is among the largest of copepods, ranging ...

'' (cod worm)

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Parasitism Ectoparasites {{Infectious-disease-stub

See also

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