Messenger RNA COVID-19 Vaccines Had No Effect on Overall Mortality: Trial Data Reanalysis
- Messenger RNA COVID-19 Vaccines Had No Effect on Overall Mortality: Trial Data Reanalysis
by Zachary Stieber, Reporter, https://www.theepochtimes.com/
The Pfizer and Moderna COVID-19 vaccines did not impact overall mortality, a reanalysis of clinical trial data found.
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The two vaccines, both based on messenger RNA (mRNA) technology, protected against deaths from COVID-19 but that effect was offset by vaccinated trial participants being more likely to die from cardiovascular problems, Christine Stabell Benn, a health professor at the University of Southern Denmark, and other researchers reported in April in the Cell journal.
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On the other hand, vaccines that utilized adenoviruses, such as the Johnson & Johnson vaccine, had a favorable impact on both COVID-19 mortality and overall mortality, according to the reanalysis.
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The research analyzed data from randomized clinical trials (RCTs) reported by the companies that manufacture the vaccines. “In the RCTs with the longest possible blinded follow-up, mRNA vaccines had no effect on overall mortality despite protecting against some COVID-19 deaths. On the other hand, the adenovirus-vector vaccines were associated with lower overall mortality,” researchers said. “The differences in the effects of adenovirus-vector and mRNA vaccines on overall mortality, if true, would have a major impact on global health,” they added later.
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