Ask Derrick: Why the third jab hasn‘t been adapted for delta variant? | DW News - latest news and breaking stories | DW | 23.11.2021

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Ask Derrick: Why the third jab hasn‘t been adapted for delta variant?

Messenger RNA vaccines can theoretically be adapted to keep pace with a mutating pathogen. But a booster with the existing formulation already kicks the immune response in recipients back up to very high levels of protection, also against delta.

Watch video 02:33