Russia repeats 91.4pct efficacy rate in new Covid-19 vaccine data - developers

Russian developers published fresh trial results for their Sputnik V coronavirus vaccine on Monday based on new data, and said the shot had again been found to be 91.4 percent effective in providing protection from Covid-19.

More than 200,000 people have already been vaccinated against the disease as part of Russia's mass inoculation programme, which began in September alongside a Moscow-based human trial of the shot..