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Mike41

Do Covid vaccines reduce TOTAL MORTALITY

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1 hour ago, Mike41 said:

 

COVID-19 Vaccination and Non-COVID-19 Mortality Risk - Seven Integrated Health Care Organizations, United States, December 14, 2020-July 31, 2021.
Xu S, Huang R, Sy LS, Glenn SC, Ryan DS, Morrissette K, Shay DK, Vazquez-Benitez G, Glanz JM, Klein NP, McClure D, Liles EG, Weintraub ES, Tseng HF, Qian L.
MMWR Morb Mortal Wkly Rep. 2021 Oct 29;70(43):1520-1524. doi: 10.15585/mmwr.mm7043e2.
PMID: 34710075 Free PMC article.
Abstract
By September 21, 2021, an estimated 182 million persons in the United States were fully vaccinated against COVID-19.* Clinical trials indicate that Pfizer-BioNTech (BNT162b2), Moderna (mRNA-1273), and Janssen (Johnson & Johnson; Ad.26.COV2.S) vaccines are effective and generally well tolerated (1-3). However, daily vaccination rates have declined approximately 78% since April 13, 2021†; vaccine safety concerns have contributed to vaccine hesitancy (4). A cohort study of 19,625 nursing home residents found that those who received an mRNA vaccine (Pfizer-BioNTech or Moderna) had lower all-cause mortality than did unvaccinated residents (5), but no studies comparing mortality rates within the general population of vaccinated and unvaccinated persons have been conducted. To assess mortality not associated with COVID-19 (non-COVID-19 mortality) after COVID-19 vaccination in a general population setting, a cohort study was conducted during December 2020-July 2021 among approximately 11 million persons enrolled in seven Vaccine Safety Datalink (VSD) sites.§ After standardizing mortality rates by age and sex, this study found that COVID-19 vaccine recipients had lower non-COVID-19 mortality than did unvaccinated persons. After adjusting for demographic characteristics and VSD site, this study found that adjusted relative risk (aRR) of non-COVID-19 mortality for the Pfizer-BioNTech vaccine was 0.41 (95% confidence interval [CI] = 0.38-0.44) after dose 1 and 0.34 (95% CI = 0.33-0.36) after dose 2. The aRRs of non-COVID-19 mortality for the Moderna vaccine were 0.34 (95% CI = 0.32-0.37) after dose 1 and 0.31 (95% CI = 0.30-0.33) after dose 2. The aRR after receipt of the Janssen vaccine was 0.54 (95% CI = 0.49-0.59). There is no increased risk for mortality among COVID-19 vaccine recipients. This finding reinforces the safety profile of currently approved COVID-19 vaccines in the United States.

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Correlation is not causation.  My guess: People who choose to be vaccinated are, in general, more health conscious than anti-vaxers.  So in general they have lower motality.

  --  Saul

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Also, since now vaccination has fully become a political issue, it's more likely that data are manipulated or misinterpreted. Results of such studies start being less and less reliable.

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the importance of the study is that the evidence for vaccine safety is strongly supported. The authors also suggest that the lower overall mortality is likely an association as it pertains to non Covid mortality,  but nonetheless no indication of harm as many anti vaccers fear.

Edited by Mike41

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