Presentations at IDWeek 2023 Highlight Potentially Differentiated Immunogenicity of Gritstone bio’s Next Generation COVID-19 Vaccine

-- High neutralizing antibody (nAb) responses sustained through at least 12 months, highlighting potential for durable clinical protection --

-- T cell responses to Spike plus other viral targets observed in all Phase 1 studies, demonstrating broad and potentially variant-proof immune response --

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