![]() Although chlorine levels found in pools are not high enough to kill pinworm eggs, the presence of a small number of pinworm eggs in thousands of gallons of water (the amount typically found in pools) makes the chance of infection unlikely. Pinworm infections occur when a person swallows pinworm eggs picked up from contaminated surfaces or fingers. Pinworm infections are rarely spread through the use of swimming pools. Because of their small size, pinworm eggs sometimes can become airborne and ingested while breathing.Ĭan my family become infected with pinworms from swimming pools? People become infected, usually unknowingly, by swallowing (ingesting) infective pinworm eggs that are on fingers, under fingernails, or on clothing, bedding, and other contaminated objects and surfaces. Pinworm eggs become infective within a few hours after being deposited on the skin around the anus and can survive for 2 to 3 weeks on clothing, bedding, or other objects. Pinworm infection is spread by the fecal-oral route, that is by the transfer of infective pinworm eggs from the anus to someone’s mouth, either directly by hand or indirectly through contaminated clothing, bedding, food, or other articles. Child care centers often are the site of cases of pinworm infection. Pinworm infection often occurs in more than one person in household and institutional settings. household members and caretakers of persons with pinworm infection.school-aged and preschool-aged children,.Pinworm infection occurs most commonly among It is the most common worm infection in the United States. Pinworm infection occurs worldwide and affects persons of all ages and socioeconomic levels. Symptoms of pinworm infection usually are mild and some infected people have no symptoms. Symptoms are caused by the female pinworm laying her eggs. ![]() Pinworm infection (called enterobiasis or oxyuriasis) causes itching around the anus which can lead to difficulty sleeping and restlessness. What are the symptoms of a pinworm infection? While an infected person sleeps, female pinworms leave the intestine through the anus and deposit their eggs on the surrounding skin. Pinworms are about the length of a staple. A pinworm (“threadworm”) is a small, thin, white roundworm (nematode) called Enterobius vermicularis that sometimes lives in the colon and rectum of humans.
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