Small study shows antibody growth from AstraZeneca, Sputnik COVID-19 vaccine mix

A small-scale clinical study of the combined use of the AstraZeneca and Sputnik Light vaccines against COVID-19 has shown strong antibody growth in a majority of the study’s participants, the Russian Direct Investment Fund said on Monday.

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The data was collected from 20 people who took part in a 100-person study in Azerbaijan that began in February. They first received the AstraZeneca shot followed by the one-dose Russian-made Sputnik Light shot 29 days later, RDIF said.

“According to the results of the interim analysis, a fourfold or higher increase in neutralizing antibodies to the spike protein (S-protein) of the SARS-CoV-2 was found in 85 percent of the volunteers on the 57th day of the study,” RDIF said.

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