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re: Recipients testing positive in Israel sparks concern over Pfizer vaccine efficacy

Posted on 1/22/21 at 7:41 am to
Posted by wt9
Savannah, Ga
Member since Nov 2011
1123 posts
Posted on 1/22/21 at 7:41 am to
quote:

The difference between a real world and experimental environment, such as the scale of the participants and whether the recipients continue wearing masks after injections, could also lead to inconformity in results, according to experts reached by the Global Times.


Anybody know how they determined the 95% in the trial?

I have heard in interviews that they only tested for covid if the person had symptoms. With all the asymptomatic transmission (masks), I would have thought that they just test everybody periodically during trial. If they only tested when symptoms came up, they would miss all the asymptomatic people which would make the effectiveness number greatly lower.

I dont have a written source but have been looking. Read the abstract from pfizer but it wasn't clear on the measureables.
Posted by the808bass
The Lou
Member since Oct 2012
111802 posts
Posted on 1/22/21 at 7:43 am to
quote:

they would miss all the asymptomatic people which would make the effectiveness number greatly lower.


It wouldn’t change it that much. The number of asymptomatic cases has been dramatically overestimated. Estimates are currently around 17% of cases.
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