SOVEREIGN is proud to announce the release of controversial Russian director Kirill Serebrennikov’s Cannes prize-winner, the sci-fi drama Petrov’s Flu, on 11th February 2022 in UK cinemas. A deadpan, hallucinatory romp through post-Soviet Russia, based on the novel The Petrovs In and Around the Flu by Alexey Salnikov, the film details a surreal…