Pinworm infection

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Risk factors

By Mayo Clinic staff

Risk factors for pinworm infection include:

  • Age. Pinworm infections are most likely to occur in children between the ages of 5 and 10. The microscopic eggs are easily spread to family members, caregivers, or other children at school or child care centers.
  • Crowded living spaces. People who live in institutions are at higher risk of developing pinworm infections.
  • Temperate climate. While pinworms occur worldwide, they are more common in nontropical countries.
References
  1. Parasites and Health: Enterobiasis. Centers for Disease Control and Prevention. http://www.dpd.cdc.gov/DPDx/html/Enterobiasis.htm. Accessed Dec. 4, 2009.
  2. Dent AE, et al. Enterobiasis. In: Kliegman RM, et al. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/174305878-6/925552497/1608/740.html#4-u1.0-B978-1-4160-2450-7..50293-0_6143. Accessed Dec. 4, 2009.
  3. Craig SA, et al. Enterobiasis. In: Marx JA, et al. Rosen's Emergency Medicine. 7th ed. Philadelphia, Pa.: Mosby Elsevier; 2007. http://www.mdconsult.com/book/player/book.do?method=display&type=bookPage&decorator=header&eid=4-u1.0-B978-0-323-05472-0..00092-X--s0845&uniq=174305878&isbn=978-0-323-05472-0&sid=925552497#lpState=opened&lpTab=contentsTab&content=4-u1.0-B978-0-323-05472-0..00092-X--s0845%3Bfrom%3Dtoc%3Btype%3DbookPage%3Bisbn%3D978-0-323-05472-0. Accessed Dec. 4, 2009.
  4. Pinworm infection. American Academy of Family Physicians. http://familydoctor.org/online/famdocen/home/children/parents/common/stomach/139.html. Accessed Dec. 4, 2009.
  5. Fact sheet: Pinworm infection. Centers for Disease Control and Prevention. http://www.cdc.gov/ncidod/dpd/parasites/pinworm/factsht_pinworm.htm. Accessed Dec. 7, 2009.
  6. Leder K, et al. Enterobiasis and trichuriasis. http://www.uptodate.com/home/index.html. Accessed Dec. 7, 2009.
  7. Ferri FF. Pinworms. In: Ferri's Clinical Advisor 2010. Philadelphia, Pa.: Mosby Elsevier; 2009. http://www.mdconsult.com/das/book/body/174689871-3/926963641/2088/500.html#4-u1.0-B978-0-323-05609-0..00025-3--sc0155_10293. Accessed Dec. 8, 2009.
DS00687 Feb. 23, 2010

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