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What is Sarcoptes scabiei?
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Sarcoptes scabiei (/sɑː r ˈkɒptiːz skeɪˈbiːaɪ/ Traditional English pronunciation of Latin) or the itch mite is a parasitic mite found in all parts of the world that burrows into skin and causes scabies. Humans become infested by Sarcoptes scabiei var. hominis; [1] other mammals can be infested with different varieties of the mite.
Scabies (/ ˈ s k eɪ b iː z, ˈ s k eɪ b i iː z /; 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 Latin: scabere, lit. 'to scratch'. The most common symptoms are severe itchiness and a pimple-like rash.
- 2–6 weeks (first infection), ~1 day (subsequent infections)
- Sarcoptes scabiei mite spread by close contact
Jul 28, 2022 · Scabies is an itchy skin rash caused by a tiny burrowing mite called Sarcoptes scabiei. Intense itching occurs in the area where the mite burrows. The need to scratch may be stronger at night. Scabies is contagious and can spread quickly through close person-to-person contact in a family, child care group, school class, nursing home or prison.
Sarcoptes is a genus of mites. In some contexts, the types are all considered subordinate to Sarcoptes scabiei. Sarcoptes scabiei var. bovis; S. s. var. canis; S. s. var. caprae; S. s. var. equi; S. s. var. hominis; S. s. var. ovis; S. s. var. suis; In other cases, as with S. equi and S. anthracis, these are sometimes considered distinct species.
Sarcoptes scabiei var. hominis, the human itch mite, is in the arthropod class Arachnida, subclass Acari, family Sarcoptidae. The mites burrow into the upper layer of the skin but never below the stratum corneum. The burrows appear as tiny raised serpentine lines that are grayish or skin-colored and can be a centimeter or more in length.
May 31, 2023 · Human scabies is a parasitic infestation caused by Sarcoptes scabiei var hominis. At least 200 million people worldwide suffer from scabies at any one time. An estimated 5–50% of children in resource-poor areas are affected by scabies. Scabies occurs worldwide but is most common in hot, tropical countries and in areas of high population density.
Human scabies is caused by an infestation of the skin by the human itch mite (Sarcoptes scabiei var. hominis). The microscopic scabies mite burrows into the upper layer of the skin where it lives and lays its eggs. The most common symptoms of scabies are intense itching and a pimple-like skin rash.
