![]() ![]() Some eggs may settle on food or toothbrushes. ![]() They can then get wafted in the air as you change clothes, bedding, etc, and become part of the dust in a home. ![]() ![]() They fall off the skin around the anus and can fall on to bedding, clothes, etc. You may then swallow some eggs if you put a finger into your mouth.Īlso, threadworm eggs can survive for up to two weeks outside the body. When you scratch, eggs get on to your fingers and under your nails. You often do this without realising while you are asleep. You then scratch around the anus to relieve the itching. The eggs are too small to see without a microscope, but cause itching around the anus due to accompanying irritating mucus. This tends to occur at night when you are warm and still in bed. Before they die, the female worms lay tiny eggs around the back passage (anus). Outbreak of Trichinella T9 infections associated with consumption of bear meat, Japan.Threadworms live for about 5-6 weeks in the gut and then die. People with a higher risk of food poisoning.Parasites - trichinellosis (also known as trichinosis).Trichinellosis outbreak linked to consumption of privately raised raw boar meat - California, 2017. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. ![]()
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