It's already in the supply chain, it's already approved, and it works - even if it's not as good as a variant-specific booster would be. Timeliness matters a l

It's already in the supply chain, it's already approved, and it works - even if it's not as good as a variant-specific booster would be. Timeliness matters a lot when you have doubling times measured in days, even 2-3 months and it could be too late. Finally, it reduces people's natural hesitancy about side effects of the "new vaccine".