Stock Photo - RUSSIA, ST PETERSBURG - NOVEMBER 3, 2023: An employee is at work at a recombinant DNA (rDNA) medication shop at St Petersburg Research Institute of Vaccines and Serums of the Russian Federal Medical-Biological Agency (FMBA). The shop produces the Convasel rDNA vaccine against the SARS-CoV-2 virus that causes COVID-19. Peter Kovalev/TASS.

Stock Photo: RUSSIA, ST PETERSBURG - NOVEMBER 3, 2023: An employee is at work at a recombinant DNA (rDNA) medication shop at St Petersburg Research Institute of Vaccines and.

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