The center reported this to RIA Novosti.
“The relatively uncontrolled spread of the virus, unchecked by restrictive measures or vaccinations, is a prerequisite for the development of a large number of varieties in a relatively short period of time.
For this reason, the likelihood of a new dangerous variant emerging in countries with an unfavorable epidemiological situation is higher, "Vektor noted.
The center added that WHO is still concerned about four variants of the virus: alpha, beta, gamma and delta.
At the same time, four more options are classified as options of interest, that is, requiring further monitoring.
Earlier in the "Vector" called the appearance of the "Olympic" strain of COVID-19 unlikely.