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Scheme for preparing the candidate vaccine QazCovid-in. (A) Electronic micrograph of the SARS-CoV-2 virus (magnified by ×18,000, scale bar represents 100 nm). (B) The accumulation of the virus in Vero cells, depending on the multiplicity of the infecting dose (MOI). (C) The inactivation of the virus at 25°C. (D) The preparation steps for the QazCovid-in vaccine.
