COVID-19 vaccine produced neutralizing antibodies against emerging variants, including the Delta variant first identified in India, in a lab study, the drugmaker said on Tuesday.The study was conducted on blood serum from eight participants obtained one week after they received the second dose of the vaccine in an early-stage trial.
Delta COVID-19 variant - A look at the risks, symptoms and impact on vaccines Vaccination produced antibodies against all variants, including additional versions of the Beta variant first identified in South Africa and three lineage variants first identified in India, including the Kappa and the Delta variants.The analysis, however, showed a modest reduction in neutralizing antibodies against a few of the.