"The world's first combined study in Argentina, supported by RDIF, showed that Sputnik Light and Moderna booster vaccines elicited a strong immune response," the report said.

Previously, director of the Research Center for Epidemiology and Microbiology named after V.I.

Gamalei Alexander Gintsburg spoke about the use of the "Sputnik Light" drug as part of the regular boosting of the existing immunity to combat the "delta" strain.

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