Info comes via a Bloomberg report (may be gated)
- Pfizer Inc. is developing a hybrid vaccine that combines its original shot with a formulation that shields against the highly transmissible omicron variant
- While research continues, Pfizer will evaluate the new hybrid formulation against an omicron-specific shot, and determine which is best suited to move forward by March
See the Bloomberg link above for more detail
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ps. While typing I did 'hypbrid' instead of 'hybrid'. Comments welcome ;-)