Quote:
Originally Posted by _Seth
Do we know WHY the second covid jab is being brought forward? I thought they were specifically designed to have both far apart, or was the long gap purely to stagger appointment times?
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the original schedule was based on the alpha variant, where 1 jab gave a lot of protection, so it was a case of getting 1 jab in as many arms as possible. With the delta variant, 2 jabs are needed, but > 4 weeks gives additional protection so thats why there is the current time frame
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