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Blackvegetable
4 Jan 2022 11:59 am
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Child Groomer, Sexual Predator
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Cannonpointer » 04 Jan 2022, 12:51 pm » wrote: ↑ And from a European journal:
"The appointment of Dr. Bernard Prigent, vice-president and medical director of Pfizer Canada, to the Governing Council of the Canadian Institutes of Health Research, 

"All attention has focused on the dramatic efficacy results: Pfizer reported 170 PCR confirmed covid-19 cases, split 8 to 162 between vaccine and placebo groups. But these numbers were dwarfed by a category of disease called “suspected covid-19”—those with symptomatic covid-19 that were not PCR confirmed. According to FDA’s report on Pfizer’s vaccine, there were “3410 total cases of suspected, but unconfirmed covid-19 in the overall study population, 1594 occurred in the vaccine group vs. 1816 in the placebo group.”

With 20 times more suspected than confirmed cases, this category of disease cannot be ignored simply because there was no positive PCR test result. Indeed this makes it all the more urgent to understand. A rough estimate of vaccine efficacy against developing covid-19 symptoms, with or without a positive PCR test result, would be a relative risk reduction of 19% (see footnote)—far below the 50% effectiveness threshold for authorization set by regulators. Even after removing cases occurring within 7 days of vaccination (409 on Pfizer’s vaccine vs. 287 on placebo), which should include the majority of symptoms due to short-term vaccine reactogenicity, vaccine efficacy remains low: 29% (see footnote)."
https://blogs.bmj.com/bmj/2021/01/04/pe ... -raw-data/
Could Pfizer's vaccine's effectiveness be as low as 19% to 29%?
« Last Edit: August 27, 2021, 10:13:46 AM by admin »
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Doshi:

My calculations were of vaccine efficacy against an endpoint of “covid-19 symptoms, with or without a positive PCR test result” (i.e. irrespective of what is causing those covid-19 symptoms, whether that be SARS-CoV-2 or something else).
 
 
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