As per Russian newspapers top-lawmakers, top-ministers and many other from "elite" already been vaccinated against COVID since late April by experimental vaccine from state military laboratory. They got strong immunity and no side-effects beside 1-3 days of +38C temperature and some headache. Vaccine has been provided to them for free as "a testing".
Yesterday another state laboratory announced end of phase 3 of testing of another vaccine. Govt announced plans to start country's mass-vaccination from September 1.