Sanofi today reports data from two trials, VAT02 Cohort 2 and COVIBOOST VAT013, conducted with its new next-generation COVID-19 booster vaccine candidate modelled on the Beta variant antigen and including GSK’s pandemic adjuvant. In the Phase 3 VAT02 Cohort 2 study, the Sanofi-GSK next–generation vaccine candidate induced (at day 15 post-immunization) a significant boost in antibody titers above baseline against multiple variants of concern (15-fold increase against D614 parent virus, 30-fold increase against Beta strain) in adults previously primed with mRNA COVID-19 vaccines. In particular against Omicron, preliminary data show a 40-fold increase against BA.1. The Sanofi-GSK next-generation booster candidate generated double the number of...