How to get Delta under control?

18,256 Views | 178 Replies | Last: 4 yr ago by Zobel
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In reply to Teslag • 9:02a, 7/21/21
AG
and that illness evidence was symptoms not hospitalization
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Teslag
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In reply to cone • 9:05a, 7/21/21
AG
I believe the efficacy studies had divided them into mild and severe symptoms with the efficacy based on severe.

For example, if you get a low fever from infection and that's it the vaccine was determined effective in the study.
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In reply to Teslag • 9:45a, 7/21/21
AG
Quote:
For example, if you get a low fever from infection and that's it the vaccine was determined effective in the study.
Quote:
NEW YORK & MAINZ, Germany--(BUSINESS WIRE)-- Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced that, after conducting the final efficacy analysis in their ongoing Phase 3 study, their mRNA-based COVID-19 vaccine candidate, BNT162b2, met all of the study's primary efficacy endpoints. Analysis of the data indicates a vaccine efficacy rate of 95% (p<0.0001) in participants without prior SARS-CoV-2 infection (first primary objective) and also in participants with and without prior SARS-CoV-2 infection (second primary objective), in each case measured from 7 days after the second dose. The first primary objective analysis is based on 170 cases of COVID-19, as specified in the study protocol, of which 162 cases of COVID-19 were observed in the placebo group versus 8 cases in the BNT162b2 group. Efficacy was consistent across age, gender, race and ethnicity demographics. The observed efficacy in adults over 65 years of age was over 94%.

There were 10 severe cases of COVID-19 observed in the trial, with nine of the cases occurring in the placebo group and one in the BNT162b2 vaccinated group.
https://www.pfizer.com/news/press-release/press-release-detail/pfizer-and-biontech-conclude-phase-3-study-covid-19-vaccine
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Teslag
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In reply to cone • 10:25a, 7/21/21
AG
Is there something in your link and quote that refutes what I said?
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Zobel
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In reply to Teslag • 10:41a, 7/21/21
AG
The primary efficacy number in all the studies I've read has been symptomatic infection - one symptom like fever, cough, shortness of breath + positive PCR test.

They also frequently have a second number for efficacy at preventing severe covid (hospitalization or death).

So everyone is right.
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