Humans get the tapeworm infection after eating raw or undercooked pork contaminated with cysts of T. solium. When swallowed the cysts pass through the stomach and attach to the lining of the small intestine. In the small intestine the cysts develop into adult tapeworms over about two months.
How fast do tapeworms grow in humans?
Once ingested, cysticerci attach to the small intestine and develop into adult tapeworms over the course of 2 months. The adult tapeworms produce proglottids that mature, detach, and migrate to the anus and are then passed in the feces.
How long does it take for worms to show up in humans?
Sometimes pinworms can be seen around your anus or on your underwear or bed sheets about 2 to 3 hours after you've gone to bed. Most of the time, pinworms don't cause major problems.
How long does it take a tapeworm to develop?
It takes 3 weeks from the time the flea is swallowed to the time tapeworm segments appear on the pet's rear end or stool.
How likely are you to get a tapeworm?
You probably won't ever get one. Less than 1,000 people in the U.S. get them a year. It's extremely rare to pick one up from your pet. And if you take the right steps to cook meat, you shouldn't get one from it, either.
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