Russia is the fourth-most affected country in the world with more than 750,000 COVID-19 cases.
UK said that vaccine and therapeutic sectors in multiple countries have been targeted by Russian state intelligence.
Participants received two doses of the potential vaccine.
Moderna’s coronavirus vaccine is in second stage trials, with final stage trials expected to start soon.
Gold futures fell 1.70% to $1,706.06 by 4 pm local time, with global investors retreating from the pullback from gold after hopes were strengthened