A man receives a dose of Russia’s Sputnik V (Gam-COVID-Vac) vaccine a at a vaccination centre for the Yandex Go drivers and couriers in Moscow on June 25, 2021. – Moscow authorities on June 25, 2021, reimposed work-from-home measures, as Russia battles a surging outbreak of the Delta variant worsened by a slow jab drive. The new measures come as Russia has faced an explosion of…