Russia's single-dose Sputnik Light vaccine has 79.4 pc efficacy, effective against all new coronavirus strains: RDIF

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Russia’s single-dose Sputnik Light vaccine has 79.4% efficacy, effective against all new coronavirus strains: RDIF

"Sputnik Light has proven effective against all new strains of coronavirus, as demonstrated by the Gamaleya Center, during laboratory tests," the statement added.