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A comment on A blood marker predicts who gets ‘breakthrough’ Covid.

Re:A blood marker predicts who gets ‘breakthrough’ Covid by kleiba on Friday July 30, 2021 @09:45AM (#28007879)
Extensive testing between late January and late April 2021 identified 39 workers who had become infected with SARS-CoV-2 despite being fully vaccinated. All had mild symptoms or none at all, but 19% still had some symptoms 6 weeks after diagnosis.

How is that possible?

7 out of 39 people is 17.9%

8 out of 39 people is 20.5%

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Re:A blood marker predicts who gets ‘breakthrough’ Covid by yorwba on Friday July 30, 2021 @10:05AM (#28008102)
It's given as 7/36 (19.4%) in the supplementary material https://www.nejm.org/doi/suppl/10.1056/NEJMoa2109072/suppl_f... I guess 3 people didn't respond to the survey 6 weeks later?
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Re:A blood marker predicts who gets ‘breakthrough’ Covid by kleiba on Sunday August 01, 2021 @05:28AM (#28025031)
No idea why anyone would downvote this comment. Thanks!
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Re:A blood marker predicts who gets ‘breakthrough’ Covid by PragmaticPulp on Friday July 30, 2021 @10:51AM (#28008612)
39 workers identified with COVID

36 responded to the survey about symptoms later.

Almost every study, even small and short-term ones, have some dropouts and people who don’t respond to follow ups

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Re:A blood marker predicts who gets ‘breakthrough’ Covid by kleiba on Sunday August 01, 2021 @05:29AM (#28025035)
Thank you, that's very informative. +1
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Re:A blood marker predicts who gets ‘breakthrough’ Covid by BugsJustFindMe on Friday July 30, 2021 @09:48AM (#28007917)
Maybe they meant 18%.
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Re:A blood marker predicts who gets ‘breakthrough’ Covid by djrogers on Friday July 30, 2021 @09:56AM (#28008001)
perhaps the actual number is 19% of those with symptoms. This is an unfortunate reality of getting scientific data from news media - when they're not wrong, they're inaccurate.
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Re:A blood marker predicts who gets ‘breakthrough’ Covid by abathur on Friday July 30, 2021 @09:56AM (#28007997)
It may also be 19% of the undisclosed number who had mild symptoms, excluding those who had none?
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