Moderna vaccinates first participant in phase 2 trial of Omicron-specific booster as study finds that antibodies fall 6-fold over 6 months January 26, 2022
Fauci says omicron-specific vaccines may not be needed, while new research indicates T-cell protection may hold up against the variant December 11, 2021December 11, 2021
CDC director confirms FDA in talks to streamline authorization of omicron-specific vaccine December 5, 2021December 5, 2021