“Today RDIF offers Pfizer to use Sputnik Light as a booster shot,” the vaccine's Twitter account said.

This proposal is due to the fact that mRNA vaccines need a heterogeneous booster to enhance and prolong the immune response.

Earlier, in the course of research in Argentina, the combination of Sputnik Light with other vaccines was recognized as safe.

Pulmonologist, therapist, Honored Doctor of Russia Alexander Karabenenko told in an interview with FAN, who needs post-clotting rehabilitation.

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