Russia to start Phase III preliminaries of second COVID-19 antibody in November-December: Report Kumar Jeetendra | October 2, 2020 Russia begins Phase III trials of a second possible vaccine against COVID-19, developed by Siberia’s Vector Institute, in November-December, the TASS news agency cited Russian consumer security watchdog Rospotrebnadzor as saying on October 2. Early-stage clinical trials for the vaccine have been completed on Wednesday.