a) US
b) China
c) Russia
d) None of these
Russia has become the first nation to successfully complete the human trials of COVID vaccine. Russia’s COVID vaccine has proven to be effective, as per the results of the trials.
a) US
b) China
c) Russia
d) None of these
Russia has become the first nation to successfully complete the human trials of COVID vaccine. Russia’s COVID vaccine has proven to be effective, as per the results of the trials.