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Kyle Segner

Enterobius Vermicularis “pinworm”. Kyle Segner. General info. Small worms that infect the intestines Common in school age children Nematode Most common human parasitic worm in the United States, around 40 million infected Have been found in humans as old as 7800 BCE in Utah. geography.

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Kyle Segner

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  1. EnterobiusVermicularis “pinworm” Kyle Segner

  2. General info • Small worms that infect the intestines • Common in school age children • Nematode • Most common human parasitic worm in the United States, around 40 million infected • Have been found in humans as old as 7800 BCE in Utah

  3. geography • Found worldwide • Very common in the United States • Western Europe also has high rates • More common in temperate regions than • tropical

  4. Hosts • Definitive host- -- humans, only humans • Intermediate host--- none, has a direct lifecycle • Reservoirs--- possibly cochroaches(Hawaii)

  5. Morphology • Adult females from 8-13 mm • Males from 2-5 mm • Are very thin and white in color • The posterior end of the female comes to a point, while the male has a blunter posterior end • Eggs are elongated and around 50 micrometers in length • They are transparent and have a flattened look ; have a thick, transparent outer wall

  6. lifecycle

  7. symptoms • Itchy anus • difficulty sleeping • Infected skin around anus • Discomfort in vagina(worms can enter here instead of anus)

  8. Pathology • Nothing too serious, most cases are asmyptomatic • Can cause infection of the female genital tract • Itchy anal area • Insomnia from discomfort • Severe cases can cause abdominal pain, vomitting, weight loss, and scarring due to scratching.

  9. diagnosis • 3 options • check perianal region for worms 2-3 hours after suspected victim is asleep • take sample from under fingernails and check for eggs( could be present from scratching) • put scotch tape on perianal skin and pull it off, check for eggs under microscope • --- test done in the morning before any washing is done

  10. egg

  11. Adult worms

  12. Treatment and prevention • Drugs used are mebendazole, pyrantelpamoate, and albendazole • Wash your hands often and good hygiene practices • If infected, shower every morning to wash away eggs on skin • Cut fingernails so eggs can’t get under them • Don’t scratch anus and put fingers in mouth • Change linens often

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