MOSCOW, Dec 3 The level of herd immunity to COVID-19 in the Moscow region is 72.5 %, reported on the portal stopkoronavirus.rf. «The level of herd immunity to COVID-19 in the Moscow region is 72.5% as of December 3,» the report says. A week ago, according to the portal, this figure was 71.1%. As of December 3, 4,498,002 people were vaccinated with the first component, 4,163,546 people completed the vaccination course, according to the website.