Doctors warn over sushi risk

Doctors have published a report in the British Medical Journal Case Reports warning that the growing popularity of consuming raw fish in the West may be linked to a rise in parasitic infections.

The report documented the case of a 32-year-old man, in Lisbon, who was found to have parasite larvae on his gut lining, follow symptoms of stomach pain, vommiting and fever.

The man had recently eaten sushi, which led doctors to believe might have anisakiasis.

Anisakiasis is a parasitic disease caused when anisakid nematodes (a form of worm) invade the stomach wall or intestine of humans. It often occurs when infected larvae are ingested from undercooked or raw fish or squid.

NHS Choices has warned that Atlantic salmon and sea trout caught at sea or in UK rivers are also known to be at risk of being infected with same species of parasite.

Current advice directs that eaters should remove the guts of the fish, freeze it for at least four days and then cook thoroughly before eating.

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This story was first published in digitalhealth.net

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