CNNさんのインスタグラム写真 - (CNNInstagram)「The United Kingdom has detected a new variation of Covid-19 that England's chief medical officer Chris Whitty says is more contagious than previous variants. The new coronavirus variant has also prompted the UK government to impose a lockdown in London and southeastern England. “There is no current evidence to suggest the new strain causes a higher mortality rate or that it affects vaccines and treatments although urgent work is underway to confirm this,” Whitty said. Here's what else we know.⁠ ⁠ What we know about the variant:⁠ ⁠ • UK Prime Minister Boris Johnson said the new variant could be up to 70% more transmissible than the old variant, although there is still "considerable uncertainty."⁠ ⁠ Where it's been detected:⁠ ⁠ •The new variant has also been identified in Denmark, Italy, the Netherlands and Australia.⁠ •Australia said on Monday that it had detected two cases of the new variant in Australian quarantine facilities.⁠ ⁠ What other countries are doing in response:⁠ ⁠ •Dozens of countries across Europe, the Middle East and the Americas have announced travel bans for the UK⁠ •Hong Kong is the first place in Asia to restrict travel from Britain⁠ •Other countries are imposing restrictions requiring UK travelers to quarantine or undergo coronavirus tests⁠」12月22日 0時06分