AstraZeneca to test combining Covid-19 vaccine with Russian shot

AstraZeneca will start clinical trials to test a combination of its experimental Covid-19 vaccine with Russia's Sputnik V shot aimed at boosting the efficacy of the British drugmaker's vaccine, Russia's sovereign wealth fund said.

Trials will start by the end of the year, said the RDIF wealth fund, which has funded Sputnik V, named after the Soviet-era satellite that triggered the space race...