losangelesnewstoday.com April 25, 2018

Doctors warn of parasitic infections from eating sushi

13 May 2017, 12:51 | Violet Powell

Uncooked fish can come with a nasty parasitical worm, doctors warn

Parasitic worm that may be hiding in your sushi: Doctors warn popularity could lead to rise in cases of disease that causes vomiting and fever

As the popularity of sushi grows, the number of people becoming infected with an illness caused by eating raw meat or fish is on the rise.

Sushi lovers are being warned of the dangers of ingesting parasites from raw and undercooked fish, a study revealed on Friday.

Doctors at Hospital da Luz Lisboa and Centro Hospitalar de Lisboa Ocidental in Portugal treated a 32-year-old man who had severe upper gut pain, vomiting and fever for a week.

Physical examination found that the area below the ribs was tender, and the blood test results showed mild inflammation.

A new study gives sushi eaters a reason to take it easy, reporting there's been an uptick in anisakiasis, a stomach infection caused by a worm that lives in fish, but can easily relocate to your stomach or intestines.

Although the anisakis parasite can live as a larva for several weeks in a human stomach, it will die before developing into an adult.

Dr Joana Carmo, a gastroenterologist at the Egas Moniz hospital in Lisbon, concluded: "Owing to changes in food habits, anisakiasis is a growing disease in Western countries, which should be suspected in patients with a history of ingestion of raw or uncooked fish".

They found the larvae of a worm-like parasite firmly attached to an area of swollen and inflamed gut lining.

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The larvae were removed using a special net and proved on analysis to belong to the species of anisakis, doctors said.

They added that most cases of anisakiasis to date had been reported in Japan.

Most cases of anisakiasis have been reported in Japan, according to the report, where sushi originates from.

"Patients can have allergic symptoms".

"Some people experience a tingling sensation after or while eating raw or undercooked fish or squid".

The NHS warns that eating fish that is not fresh or that has not been stored and prepared hygienically can lead to food poisoning.

The Food and Drug Administration recommends cooking seafood to an internal temperature of 145 degrees Fahrenheit (63 degrees Celsius) to kill parasites.

"This will ensure that any undetected Anisakis larvae are killed".

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