With Covid-19 cases on the rise again in Russia, the developers of the pioneering Sputnik V vaccine revealed on Thursday that they have created an upcoming booster shot that’s effective against the latest mutations of the virus.
The Delta variant of the coronavirus, first discovered in India, has spread rapidly around the world. It’s thought to be more transmissible than previous mutations, and it’s been cited by British Prime Minister Boris Johnson as justifying his decision to push back the UK’s long-anticipated reopening by four weeks.
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