second coronavirus vaccine."The Novosibirsk Vektor centre today registered the second Russian vaccine against coronavirus -- EpiVacCorona," Putin said during a video conference with cabinet members, reportted Russian news agency Sputnik.Earlier, Novosibirsk’s Vector Research Center shared plans to register its vaccine in mid-October.Last month, the Russian government announced that it completed clinical trials of the second vaccine, developed by Siberia's Vector Institute, the RIA news agency cited Russian consumer safety watchdog Rospotrebnadzor as saying.The new vaccine triggers an immune response using synthetic virus proteins, while Sputnik V uses adapted adenovirus strains, a virus that causes the common cold.Deputy prime minister.