St. Petersburg, Russia, Jun 4 (Prensa Latina) Russia and Cuba will sign a memorandum of understanding (MoU) for the joint development of a cancer vaccine, Russian Deputy Prime Minister and Co-Chairman of the Joint Intergovernmental Commission Dmitry Chernyshenko announced. "Last year, Russia supplied Cuba with 600 substances for the production of pharmaceutical products, and we will sign an MoU for the joint development of an oncovaccine," Chernyshenko stated during a Cuba-Russia business dialogue in the framework of the St. Petersburg International Economic Forum (SPIEF), being held from June 3 to 6.