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Pfizer and BioNTech concluded their phase 3 study and reported their vaccine to be 95% effective against COVID-19 beginning 28 days after the first dose.[0] Th

Pfizer and BioNTech concluded their phase 3 study and reported their vaccine to be 95% effective against COVID-19 beginning 28 days after the first dose.[0] This was widely reported in the American and worldwide media.[3][4][5][6] Fauci said the results were "extraordinary" and would "have a major impact on everything that we do with regard to COVID."[1] >For the record, that was obvious when the vaccines were released It doesn't seem obvious to me at all. Seems like an outright retelling of history. You should do a search for the period of November 1, 2020 to January 31, 2021 on this topic. [0]: https://www.pfizer.com/news/press-release/press-release-detail/pfizer-and-biontech-conclude-phase-3-study-covid-19-vaccine https://www.pfizer.com/news/press-release/press-release-deta... [1]: https://www.businessinsider.com/fauci-pfizer-vaccine-90-percent-efficacy-rate-extraordinary-2020-11 https://www.businessinsider.com/fauci-pfizer-vaccine-90-perc... [3]: https://www.washingtonpost.com/health/2020/11/09/pfizer-coronavirus-vaccine-effective/ https://www.washingtonpost.com/health/2020/11/09/pfizer-coro... [4]: https://theconversation.com/pfizer-vaccine-what-an-efficacy-rate-above-90-really-means-149849 https://theconversation.com/pfizer-vaccine-what-an-efficacy-... [5]: https://www.bbc.com/news/health-54986208 https://www.bbc.com/news/health-54986208 [6]: https://www.npr.org/sections/health-shots/2020/11/09/933006651/pfizer-says-experimental-covid-19-vaccine-is-more-than-90-effective https://www.npr.org/sections/health-shots/2020/11/09/9330066...

vannevar 5y ago
The difference between a zero chance of infection and a 1 in 20 chance is obvious to me, and I would hope, to most people. I'd be happy to offer you a 0% chance at winning $1000 from me in exchange for a 5% chance of winning $1000 from you. I'll even pay you $5. ;-)
- parkingrift 5y ago
  Make an argument and stick to it. You said… > as the trial results for vaccine effectiveness against infection for all the vaccines were clearly and widely reported to be significantly less than 100% This is not true. Now you’re saying… I don’t know what you’re trying to say. That you understand basic arithmetic, but don’t understand how vaccine efficacy and herd immunity works?
  - vannevar 5y ago
    > as the trial results for vaccine effectiveness against infection for all the vaccines were clearly and widely reported to be significantly less than 100% > This is not true. It is absolutely true. The difference between 0% and 5% is enormous, as I tried to illustrate with my example. Let me try again. If your doctor told you there was a 0% chance you have cancer vs a 5% chance, you would behave very differently, correct?

vannevar 5y ago

The difference between a zero chance of infection and a 1 in 20 chance is obvious to me, and I would hope, to most people. I'd be happy to offer you a 0% chance at winning $1000 from me in exchange for a 5% chance of winning $1000 from you. I'll even pay you $5. ;-)

parkingrift 5y ago
Make an argument and stick to it. You said… > as the trial results for vaccine effectiveness against infection for all the vaccines were clearly and widely reported to be significantly less than 100% This is not true. Now you’re saying… I don’t know what you’re trying to say. That you understand basic arithmetic, but don’t understand how vaccine efficacy and herd immunity works?
- vannevar 5y ago
  > as the trial results for vaccine effectiveness against infection for all the vaccines were clearly and widely reported to be significantly less than 100% > This is not true. It is absolutely true. The difference between 0% and 5% is enormous, as I tried to illustrate with my example. Let me try again. If your doctor told you there was a 0% chance you have cancer vs a 5% chance, you would behave very differently, correct?