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A version of Sputnik V for the delta strain has been developed: it is too early to talk about the effectiveness

The information publication Kommersant, citing Alexander Gintsburg, head of the Gamaleya Center for Epidemiology and Microbiology, reported that a new version of the Sputnik V vaccine, modified for the delta strain of coronavirus, had been created in Russia. True, so far the creators of this version of the vaccine are not ready to talk about the effectiveness of the solution, since, apparently, a number of trials and tests need to be carried out.

“There is already a vaccine design in the refrigerator. Everyone began to make a vaccine based on the sequence of the delta strain, and whether it will be better against the delta strain, no one can say a priori, “Alexander Gintsburg officially announced to Interfax.

Gunzburg also said that no one excludes the likelihood of the appearance of new strains of the virus, since mutation is quite possible, but no one can give an accurate prediction. Moreover, the head of the Gamaleya Center said that he considered a rather promising proposal to use Sputnik Light (the first component of the Sputnik V vaccine) as a booster to increase the effectiveness of Pfizer / BioNTech’s vaccines against the delta strain.

“This is a beautiful, scientifically sound proposal. Pfizer really needs this, because it has one fixed conformation, while Sputnik, like a natural S-protein, has many of them. Therefore, the spectrum of neutralizing antibodies that will be formed on this and this S-protein, in the case of “Sputnik” is much wider. In this case, such a “cocktail” will be more effective against a specific “delta” strain, ”added Gunzburg.

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