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The origins of Sars-CoV-2 still mysterious


DECRYPTION - For many experts, Chinese blockages prevent deciding between the animal hypothesis and the laboratory leak.

Soon two years after the emergence of Sars-CoV-2, the origins of the virus that turned the planet upside down are still so mysterious.

However, if many points remain unclear, recent analyzes have allowed some certainties to emerge.

To discover

  • Covid-19: the third vaccine dose, instructions for use

  • Covid-19: what we know about the Delta variant

Sars-CoV-2 was officially identified in December 2019 after a series of cases mostly linked to frequenting a market in Wuhan in Hubei province in China.

This market does not appear to be the point of origin of the virus, but rather a place of super-contamination.

At that time, at least two variants of the virus were circulating in the city.

In view of the mutations that differentiate them, scientists estimate that the virus appeared a few weeks earlier, probably in October 2019.

Read also

70 years of lies in Communist China

And before?

Sars-CoV-2 is also known to be the cousin of a bat coronavirus, RaTG13, which was discovered in 2013 in a cave in Yunnan, a province in southern China, nearly 2,000 km away. from Wuhan and who was

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Source: lefigaro

All tech articles on 2021-09-15

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