Talk of The Villages Florida - Rentals, Entertainment & More
Talk of The Villages Florida - Rentals, Entertainment & More
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Mayo Clinic: Vaccine effectiveness against Delta dropping
Mayo Clinic study is in preprint, not peer reviewed yet
New data on coronavirus vaccine effectiveness may be "a wakeup call" A new preprint study that raises concerns about the mRNA vaccines' effectiveness against Delta — particularly Pfizer's — has already grabbed the attention of top Biden administration officials. What they're saying: The study found the Pfizer vaccine was only 42% effective against infection in July, when the Delta variant was dominant. "If that's not a wakeup call, I don't know what is," a senior Biden official told Axios. Driving the news: The study, conducted by nference and the Mayo Clinic, compared the effectiveness of the Pfizer and Moderna vaccines in the Mayo Clinic Health System over time from January to July. Overall, it found that the Moderna vaccine was 86% effective against infection over the study period, and Pfizer's was 76%. Moderna's vaccine was 92% effective against hospitalization and Pfizer's was 85%. But the vaccines' effectiveness against infection dropped sharply in July, when the Delta variant's prevalence in Minnesota had risen to over 70% . Moderna was 76% effective against infection, and Pfizer was only 42% effective. The study found similar results in other states. For example, in Florida, the risk of infection in July for people fully vaccinated with Moderna was about 60% lower than for people fully vaccinated with Pfizer. Between the lines: The two shots both use mRNA, but there are significant differences between them. For example, Moderna is given in a stronger dose than Pfizer, and there is a slightly different time interval between shots. "There are a few differences between what are known to be similar vaccines .... None of these variables is an obvious smoking gun, although the dosing amount seems the most likely to be a factor," Moore said. article: New data on coronavirus vaccine effectiveness against Delta raises concern among Biden administration - Axios actual study Comparison of two highly-effective mRNA vaccines for COVID-19 during periods of Alpha and Delta variant prevalence | medRxiv |
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Did the study indicate when the shots were given? Pfizer said the effectiveness of their vaccine wanes over time. I’d like to see data on breakthrough illness from the time of full immunization.
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Study was conducted from January-July 2021. You can read it by clicking on 2nd link in OP
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I looked at the whole article but I can’t see anywhere the question I am looking for. Which is how much does the effectiveness of the phizer or moderna vaccine drop over time against the same variant? Somewhere I read about 6% decline each month or more after the 4 or 5th month of full immunization - I wish I saved the article. That way we could each individually estimate how safe we still might be after our vaccination.
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Comparison of two highly-effective mRNA vaccines for COVID-19 during periods of Alpha and Delta variant prevalence | medRxiv |
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Every reporter, news agency, main stream media makes a headline out of covid studies that meet their agenda.
The agenda? Confusion and fear. Anyone want to guess how many different "studies" there are or have been regarding covid "anything". Authenticity? Never mind roll the presses!!! |
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This isn't the best news but I would rather keep up to date than hide my head in the sand. Even though I have the more effective Moderna vaccine, I'm going back to Hermit mode (masks are useless) until this wave subsides or they start giving out booster shots. I expect this data will be on the nightly news shortly, unless they suppress it for some reason. |
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At the bottom it shows rises in infection over time since vaccination. Pfizer (blue) rises more, especially toward the end. This could be vaccine effectiveness going down over time or less effectiveness against the Delta as it started to dominate. |
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Public health experts must check 'egos at the door,' adjust COVID policy, says mRNA pioneer | Just The News He agrees the vaccines are less effective on the variants. Believes we should be focusing more on early onset treatment as there are very good anti-inflammatory drugs to treat this "hyperinflammatory disease". Also mentions instead of adjusting to the new findings, the CDC is suppressing dissent and discussion. |
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I don't worry about the "infection rate." The DEATH rate is more important. Even if the vaccination is weaker and more folks that are vaccinated can become infected, the idea is whether or not they need to be hospitalized or if they may die.
The vaccinations may or may not have contributed to controlling the wild fire of Covid related deaths, so now let this virus run it's course so that the survivors can get on with their lives. |
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__________________
It is better to laugh than to cry. |
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Last edited by Escape Artist; 08-12-2021 at 12:33 AM. |
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