The common parasite can survive up to two weeks on contaminated surfaces and children can get infected again even after being treated. ‌Threadworms, also known as pinworms, are tiny white parasitic worms that live in the large intestine and rectum. It’s a highly contagious parasite that is passed when a person ingests threadworm eggs, which can be picked up on contaminated surfaces, bedding or hands. ‌There are five key symptoms of threadworms, some of which may only be noticeable at night or after your child has gone to the bathroom. View 3 Images Children can get threadworms again after being treated (Image: GETTY)‌He added: “Change and wash clothing and bedding daily.

Source: Daily Mirror February 27, 2026 11:49 UTC