This was announced by the operational headquarters for the fight against coronavirus.

Head of the Center

Gamalei Alexander Gintsburg said that the hybrid of COVID-19 strains "delta" and "omicron" showed great potential for the variability of coronavirus - a more severe mutation may appear in the future.

Academician of the Russian Academy of Sciences Gennady Onishchenko recalled in a conversation with the FAN about the importance of revaccination against COVID-19.