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Risk factors
By Mayo Clinic staffRisk factors for ascariasis include:
- Age. Most people who have ascariasis are 10 years old or younger. Children in this age group may be at higher risk because they're more likely to play in dirt.
- Warm climate. Ascariasis worms thrive in mild climates. In the United States, ascariasis is more common in the Southeast. But it's more prevalent in developing countries with warm temperatures year-round.
- Poor sanitation. Ascariasis is widespread in developing countries where human feces are allowed to mix with local soil.
References
- Leder K, et al. Ascariasis. http://www.uptodate.com/home/index.html. Accessed Jan. 17, 2012.
- Weller PF, et al. Pulmonary manifestations of ascariasis. http://uptodate.com/home/index.html. Accessed Jan. 17, 2012.
- BBB -— Ascaris lumbricoides and Trichuris. U.S. Food and Drug Administration. http://www.fda.gov/Food/FoodSafety/FoodborneIllness/FoodborneIllnessFoodbornePathogensNaturalToxins/BadBugBook/ucm070828.htm. Accessed Jan. 17, 2012.
- Ascaris infection (Ascariasis). Centers for Disease Control and Prevention. http://www.cdc.gov/ncidod/dpd/parasites/ascaris/factsht_ascaris.htm. Accessed Jan. 17, 2012.
- Ascariasis. In: Ferri FF. Ferri's Clinical Advisor 2012. Philadelphia, Pa.: Mosby Elsevier; 2011. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-0-323-05611-3..00010-0--sc0290&isbn=978-0-323-05611-3&sid=1259356096&uniqId=314473516-3#4-u1.0-B978-0-323-05611-3..00010-0--sc0290. Accessed Jan. 26, 2012.
- Dold C, et al. Ascaris and ascariasis. Microbes and Infection. 2011;13:632.
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