What vaccines can be effective against omicron?

Two Russian vaccines may be effective against the omicron strain of coronavirus.

Studies have shown that the effectiveness of the vaccine KoviVak against Omicron reached 61.9%, and KoviVac-Delta - 100%, Russian Ministry of Education and Science reported.

According to the report, employees of the Chumakov Center subordinate to the Russian Ministry of Education and Science assessed the level of neutralization of the omicron variant of the SARS-CoV-2 virus (strain 7995o) by the blood serum of people vaccinated with the CoviVac vaccine. As it turned out, in 13 of the 21 participants in the studies, the vaccine neutralized the high concentration of omicron in the body.

As for the other vaccine, out of 20 experimental mice that received two doses of the candidate CoviVac-Delta, 100% of the mice were neutralized with omicron.