The significant mutations of the coronavirus infection presumably occur every six months, Head of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing Anna Popova said on Thursday.
"Nowadays, we see that the virus is mutating. <…> If one can cautiously presume, there is a significant mutation once every six months," she said at the 2nd international scientific and practical conference on counteracting the novel coronavirus infection and other contagious diseases.
The top sanitary doctor reiterated that in December 2020, a statement on the identification of the coronavirus strain discovered in the UK was published, this April-May - on the identification of the Delta strain in India and six months later, information on the Omicron strain appeared.
According to her, currently, the Delta strain continues to prevail in Russia.
