coronavirus vaccine that was approved earlier this week. "Data on preclinical and clinical studies will be published in the coming days, possibly by Monday," said news agency TASS reported, citing health minister Mikhail Murashko.Russian President Vladimir Putin said on Tuesday that Russia had become the first country to grant regulatory approval to a COVID-19 vaccine after less than two months of human testing, a move Moscow likened to its success in the Cold War-era space race.Russia's decision to grant approval to the vaccine has however raised concerns among some experts.