Alternative definition : NICHD: An infection that is caused by nematodes of the genus Strongyloides, most commonly
Strongyloides stercoralis, which is a soil-transmitted helminth, and which is characterized
by a variety of gastrointestinal, dermatologic, and, occasionally, pulmonary manifestations.
The worm's autoinfective life cycle can lead to hyper-infection and life-threatening
dissemination in immunocompromised hosts decades after initial infection.;