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Coronavirus: Pangolins found to carry related strains

来源:BBC 作者: 时间:2020-03-27 Tag: 点击:

 

Smuggled pangolins have been found to carry viruses closely related to the one sweeping the world.

Scientists say the sale of the animals in wildlife markets should be strictly prohibited to minimise the risk of future outbreaks.

Pangolins are the most-commonly illegally trafficked mammal, used both as food and in traditional medicine.

In research published in the journal Nature, researchers say handling these animals requires "caution".

And they say further surveillance of wild pangolins is needed to understand their role in the risk of future transmission to humans.

Two groups of coronaviruses related to the virus behind the human pandemic have been identified in Malayan pangolins smuggled into China, said lead researcher Dr Tommy Lam of The University of Hong Kong.

"Although their role as the intermediate host of the SARS-CoV-2 outbreak remains to be confirmed, sale of these wild animals in wet markets should be strictly prohibited to avoid future zoonotic [animal to human] transmission," he told BBC News.

Bats also contain coronaviruses, which are closer still to the human virus, except in one key area - the part that helps the virus invade cells.

"This tells us that viruses that look pretty adapted to humans are present in wildlife," said co-researcher, Prof Edward Holmes of the University of Sydney. "Bats are certainly involved, pangolins may be, but it is very possible that other animal species are involved as well."


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