Quote:
Originally Posted by bitontheslide
they dont know how long the vaccine will be effective for, how could they?
They are preparing for the eventuality that a booster is needed, i can't believe you are seriously moaning about that
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I understood it that it will also be tweaked slightly to ensure it catches any variants in the virus plus they are readying themselves for winter. It may then become annual like the flu jab. Nothing to worry about or even that unusual with vaccines.