WEBVTT

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So the key message from are finding is that we

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found that recipients of the Pfizer vaccine, those who've

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had two doses have about 5 to 6 fold lower

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amounts of neutralizing antibodies. Now, these are the

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sort of gold standard private security uh, antibodies of

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your immune system which block the virus from getting into

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your cells in the first place. So we found

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that that's less for people with two doses. We've

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also found that for people with only one dose of

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the fighter jab, that they are less likely to

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have high levels of these antibodies in their blood.

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And perhaps most importantly for all of us going forward

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, is that we see that the older you are

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, the lower your levels are likely to be.

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And the time since you've had your second jab,

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as that time goes on, the lower your levels

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are also likely to be. So that's telling us

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that we're probably going to be needing to prioritize boosters

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for older and more vulnerable people coming up soon,

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especially if this new variant spreads