Russia has approved a third coronavirus vaccine for domestic use, Prime Minister Mikhail Mishustin said on state TV, though large-scale clinical trials of the shot, labelled CoviVac and produced by the Chumakov Centre, have yet to begin, reported Reuters.
The preemptive approvals had raised concerns among some scientists in the West, but inoculations with those first two shots began on a mass scale in Russia only after trials were concluded and showed success.
