Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced that the companies have initiated a randomized, active-controlled, observer-blind, Phase 2 study to evaluate the safety, tolerability, and immune response of an enhanced COVID-19 mRNA-based vaccine candidate at a 30 µg dose level.
Pfizer and BioNTech advance COVID-19 vaccine strategy with study start of next-generation vaccine candidate based on enhanced spike protein design
