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22 Jun, 2020
coronavirus ko phải xổng ra từ phòng thí nghiệm vũ hán đâu, từ dơi thật đó... (theo tờ guardian)
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For the past 15 years we’ve been working in China to analyse the group of viruses from which Sars and now Covid-19 have emerged. Sampling more than 16,000 bats, we showed that Sars emerged from a cluster of coronaviruses carried by horseshoe bats that are abundant across southern and central China and traded frequently in wet markets. We found Sars-related viruses that could infect human cells in the lab, cause diseases in lab animals, and evade drugs and vaccines designed to protect us. We worked with the scientists behind the breakthrough drug Remdesivir to show that it was effective against known human coronaviruses and the viruses we suspected might be the next to emerge. We raised the red flag on these viruses and pointed out their potential to cause the next pandemic.
Our 15 years of work in China now puts us in a unique position to identify, with a remarkable degree of confidence, the likely origin of Covid-19. In a recent paper, soon to appear in a peer-reviewed journal, we reported 781 genetic sequences of bat-origin coronaviruses previously unknown to scientists. These include the closest known relatives to Sars-CoV, Sars-CoV-2 and Sads-CoV, a virus that killed more than 25,000 pigs in Guangdong in 2016 and 2017. All are carried by horseshoe bats that are found across southern China and neighbouring countries. Our report firmly concludes that Covid-19 originated in bats, in a hotspot of viral evolution along the border of Yunnan province in China, Myanmar, Laos and Vietnam.
Bài trước: Thêm vài bệnh nhân người Anh thì phá sản à?
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