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Four California sea otters died from an unusual strain of a parasite that could pose a risk to humans | CNN

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CNN
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4 sea otters in California have died from a uncommon pressure of the Toxoplasma gondii parasite that scientists stated may pose a danger to human well being.

Researchers referred to as the discovering a “full shock” as a result of this pressure of T. gondii had by no means been reported in any aquatic animal or in coastal California. Their research, led by researchers from the California Division of Fish and Wildlife and College of California, Davis, was revealed this week within the journal Frontiers in Marine Science.

“Since Toxoplasma can infect any warm-blooded animal, it may additionally probably trigger illness in animals and people that share the identical setting or meals assets, together with mussels, clams, oysters, and crabs which can be consumed uncooked or undercooked,” Melissa Miller, a California Division of Fish and Wildlife researcher and writer of the paper, stated in information launch.

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The 4 sea otters stranded from 2020 to 2022, and every had an “uncommon and extreme” situation referred to as steatitis, or irritation of physique fats. Toxoplasmosis is frequent in sea otters, and it’s recognized that it may be lethal, the researchers wrote, however this pressure of T. gondii was capable of quickly kill apparently wholesome grownup otters.

No instances have been reported in people, however researchers referred to as the otters “vital sentinels” of the circulating pressure, which could possibly be a danger to folks consuming seafood or ingesting contaminated water.

“As a result of this parasite can infect people and different animals, we wish others to concentrate on our findings, rapidly acknowledge instances in the event that they encounter them and take precautions to stop an infection,” Miller stated. “We encourage others to take further precautions in the event that they observe infected systemic fats deposits in sea otters or different marine wildlife.”

Most individuals contaminated with T. gondii don’t have any signs and aren’t conscious of their an infection, however extreme toxoplasmosis may cause harm to the mind, eyes and different organs, in response to the US Facilities for Illness Management and Prevention. It may be transmitted from mom to fetus throughout being pregnant and may result in vital well being issues after beginning. Individuals at increased danger for extreme an infection are infants born to moms who had been contaminated throughout or shortly earlier than being pregnant and other people with weakened immune programs.

To forestall any toxoplasmosis an infection, the CDC recommends typical meals security practices reminiscent of cooking meals to a excessive inner temperature, rinsing vegetables and fruit and washing utensils.

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Cat feces is thought to comprise excessive ranges of the parasite, so the CDC urges folks to maintain pet cats inside, change the litter field day by day – earlier than the parasite turns into infectious – and wash arms properly.

Within the research, the researchers stated extra work is required to research habitat or local weather change elements which will have led to the unfold of the uncommon pressure in otters, and to look at whether or not different aquatic wildlife are contaminated.



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