Mobile vaccination station in SevastopolMOSCOW, Jan 14 Russian Deputy Prime Minister Tatyana Golikova named leaders in herd immunity to COVID-19: Sevastopol, St. Petersburg, Karelia and Chukotka.» Four regions maintain leadership, where the level (herd immunity — ed.) exceeded 80%. These are Sevastopol (90%), St. Petersburg (83, 5%), Karelia (81.9%) and Chukotka (81.1%),” said Golikova, whose words are quoted at the operational headquarters for combating the spread of coronavirus. According to the headquarters, they are close to reaching the 80% mark in terms of the level of collective immunity Tuva (78.2%), Lipetsk region (77.9%), Murmansk region (77.3%) and Moscow region (76.3%). The level of 72% and above is shown by the Oryol, Kaliningrad regions, the Republic of Khakassia, the Penza and Tyumen regions.