March 1, 2021

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All Things Delicious

Environment Health Organisation investigation reveals not likely source of virus

4 min read

The crew of professionals investigating the origins of COVID-19 in China have issued a warning in excess of feasible transmission of the virus through frozen meals merchandise.

In a extraordinary push briefing through which the group reported there was no evidence linking the coronavirus to a lab leak or bats, they confirmed that the coronavirus could have originated in frozen meat.

Dr Peter Ben Embarek, the Planet Overall health Organisation’s food items basic safety and animal ailment specialist and chair of the investigation group, explained that “cold chain” transmission via the transport of frozen products was feasible and warranted further more investigation.

For the duration of Tuesday night’s press briefing in Wuhan, Dr Embarek mentioned COVID-19 samples determined in bats and pangolins had been not “sufficiently similar” to SARS-CoV-2 to suggest a direct url.

But he claimed that an intermediary host species was “the most very likely pathway” for transmission to individuals, with the panel observing that animals such as minks and cats had been most likely to serve as reservoirs.

Dr Embarek mentioned the crew had attempted to obtain what other animals ended up released to the Huanan seafood marketplace in Wuhan that could have launched the coronavirus and “a good deal of perform needs to be done” in this location.

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This consists of goods that were relocating in and out of the industry, those people created at the time and/or all those that are nonetheless readily available. “The market was working generally with frozen animal solutions and predominantly seafood but there ended up also vendors offering solutions from domesticated wildlife and imported products,” he said.

“We know the virus can survive in ailments that are discovered in these chilly, frozen environments, but we never truly comprehend if the virus can transmit to people,” he stated.

Professor Liang Wannian, head of the China crew, explained to reporters the reservoir hosts still have to have to be recognized. He said studies confirmed the virus “can be carried lengthy-length on chilly chain products”.

“There is the prospective to carry on to adhere to this lead and animals that were equipped to the market place in frozen and other semi-processed or raw variety.”

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Professor Marion Koopmans, a Dutch virologist and member of the WHO crew, explained that some animals considered to be prone to COVID-19 — including rabbits, ferret-badgers and bamboo rats — have been current at the Huanan soaked sector.

China has repeatedly pushed the notion that the virus can be transmitted by frozen food stuff and has regularly declared findings of COVID-19 traces on imported food items packaging, including chicken wings from Brazil, squid from Russia, shrimp from Ecuador, pork from Germany and salmon from Norway.

“More and more proof implies that the frozen seafood or meat products and solutions possibly spread the virus from nations with the epidemic into our place,” Chinese epidemiologist Wu Zunyou mentioned in a new interview posted on a federal government internet site, The New York Situations described.

China’s point out tabloid the World wide Situations stated in December the Wuhan current market made use of to market “imported chilly-chain seafood, these as king crab and arctic shellfish, as well as meat goods from Brazil and Germany”.

“The town also imported Australian steak, Chilean cherries and Ecuadorean seafood just before 2019, according to the info from the website of the city’s commerce bureau,” the article included.

On January 31, the tabloid argued that “the risk that the coronavirus was handed on from cold-chain items into Wuhan, or more particularly, to the Huanan soaked marketplace … are not able to be dominated out”.

Beijing has been working tough to deflect the attacks on China as the suspected origin of the pandemic, with the earliest circumstances detected in the region in December 2019. The WHO team confirmed it was “extremely unlikely” that the virus originated from a lab, a concept circulated by the US administration and former President Donald Trump.

It explained there was evidence of wider circulation of the virus back in December 2019 (but no previously), not only at the Huanan damp market but at other Chinese markets and in some circumstances with no association to any current market at all.

This could possibly affirm modern claims from the World wide Situations that proposed the seafood sector was not the source of the outbreak.

Prof Liang claimed some of the Huanan industry circumstances had similar genomes, suggesting they are element of a cluster, but he explained further investigation was needed to ascertain the position played by chilly chain foods items in transmission.

When Beijing is now pursuing the imports idea, Chinese officers previously determined wild animals offered at the industry as a probable supply of the outbreak and clamped down on the unique animal trade in response.

A price tag checklist issued by a marketplace vendor and circulated on the web showed an array of exotic wildlife available like civets, snakes and even live wolf pups.

— With wires

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