Norman Swan
speaker
10,274 appearances
109 recordings
1 series
first heard Mar 2020
last heard 11 Aug
Norman Swan’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 2 in all, peaking in Aug 2026 with 1.
Appearances
So yes, there was a step up for the Pfizer, no question about that, but it wasn't up at the ninety-three.
So the ninety-five hundred percent is for severe disease and they both seem to do that job quite well.
Simply statistics.
I mean it it's simply the almost certainly the r reduced activity of the immune system as you get a bit older, not fully understood, but that's probably going to be the the answer.
And the other thing here is it's a sliding scale.
It's it's a it's what the statistician statisticians call a continuous variable, is that you've there are lots of things in medicine which are continuous variables.
Line up a hundred people and measure their blood pressure.
There'll be a steady gradation in blood pressure from low to high.
And there's no one spot where you say, you know, this is suddenly high blood pressure.
You've got to define it in terms of risks versus benefits, in terms of whether
You're going to give somebody a blood pressure drug.
Same for ADHD or behavioral problems.
And it's the same for this.
It's as it's a continuous variable of risk that declines as you get older for the clotting syndrome.
And 60 is significantly lower than 50, 70 is significantly lower than 60.
But 60 is where uh you know several countries have said that risk is acceptable.
That's absolutely right.
Well, I think what we need to think about here is taking the Canadian view, which is getting first doses into as many people as possible and worrying a little bit later about the second dose.
So rather than being obsessed with the second dose of Pfizer being three weeks, maybe you'd have tolerance for it being six or eight weeks.
The British have been doing it at twelve weeks with Pfizer and
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