He stated that "all vaccines are based on the original Wuhan version."

“Those replacements that we see today in new variants of the coronavirus, including the delta, they slightly reduce the effectiveness of vaccines that use the Wuhan variant as their basis.

But in the overwhelming majority, these vaccines remain effective and form collective immunity as a whole, which, with the necessary vaccination coverage, will provide protection for our citizens, "Maksyutova quotes TASS.

According to data as of July 30, 23,564 cases of COVID-19 were detected in Russia per day.

The total number of cases during the epidemic was 6,242,066. 

Doctor Timur Pesterev, in an interview with FAN, gave advice on vaccination against COVID-19.