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YS Biopharma's PIKA Recombinant COVID-19 Vaccine Demonstrates Superior Antibody Neutralization Responses Compared to Inactivated COVID-19 Vaccine in Phase II Head-to-Head Clinical Study

YS

The trial met its primary endpoint of superior immunogenicity of PIKA COVID-19 Vaccine vs inactivated COVID-19 vaccine, measured by GMT of neutralizing antibody against Omicron virus on Day 14, with statistical