In October, a Stories of our times investigation blew the lid off a Russian disinformation campaign, which had aimed to stoke fears about the Oxford vaccine.Now Russia has its own vaccine, Sputnik, which is highly effective but still isn't most countries' first choice. Has the Kremlin shot itself in the foot, and become Sputnik’s own worst enemy?We revisit our investigation and check in with our Moscow correspondent for an update.This podcast was brought to you thanks to the support of readers of The Times and The Sunday Times. Subscribe today and get one month free at: thetimes.co.uk/storiesofourtimes.Guest: Marc Bennetts, Moscow correspondent for The Times and The Sunday Times.Host: Manveen Rana.Clips used: BBC, CNBC, CNN, Times Radio, Comedy Central. See acast.com/privacy for privacy and opt-out information.