This worm could be lurking in your sushi, scientists warn

Amos Gonzales
May 18, 2017

Anisakiasis, also known as herring worm disease, can be caused by eating raw or undercooked fish or squid.

A risky parasite that can be consumed with raw fish and sushi, leading to sickness in humans, is now showing up in the United States.

The condition is on the rise in western countries where eating sushi is more popular.

In the case studied by four doctors a 32-year-old man was admitted to hospital with all the symptoms, and when he was examined his stomach felt tender. An endoscopy showed a parasite "firmly attached" in the upper gastrointestinal tract.

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A pain and vomit inducing parasite could be living in your sushi according to a recent medical journal case study. The CDC has noted the number of cases of Anisakiasis is increasing in the U.S., Europe, and South America, wherein seafood is gaining popularity, and recommends cooking it adequately up to the least internal temperature of 145° F.

He said he's found the worms while preparing meals of fish purchased in the supermarket. In such cases, it is possible to cough up the worm or remove it by hand. "For example, shellfish, such as oysters, can be contaminated by bacteria, such as vibrio, parasites and viruses, such as norovirus before they are harvested", Gary Holub, a department spokesperson, said in an email to Global News. "This is actually the worm moving in the mouth or throat", the centre's site reads. No specific drug has been identified to kill the live parasites, Bao said, adding that "surgical removal is occasionally required".

Scholars on the topic suggest the illness in general is under-estimated and under-diagnosed. "They are grossly visible in the fish".

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