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One Shot Is Effective And The Vax Does Not Need To Be Stored At Ultra-Cold Temperatures

The mRNA Covid-19 vaccine developed by Pfizer and BioNTech generates robust immunity 2-4 weeks after one dose and can be stored in ordinary freezers instead of at ultracold temperatures as previously believed, according to new studies conducted by the Israeli Sheba Medical Center and published in the Lancet medical journal.

The Phase 3 trials completed in December only assessed the efficacy of the first shot two weeks after it was given. This showed that at two weeks, a single dose was about 52% effective. However, the recent study assessed the vaccines efficacy 2-4 weeks after the single shot. This showed that that the vaccine is 85% effective in preventing symptomatic disease. That is impressive. The second shot adds an additional 10% protection.

Learning that a single shot approaches the efficacy of the two-dose regimen supports spreading the first dose as widely as possible around the world and delaying the second shot. This strategy would ensure that more people around the world would be protected before the second shot was rolled out. The UK has adopted this approach and there is some support for it in the US. However, the FDA and Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, are not budging from the two shot regimen. The argument is that adding the second shot might lead to a more durable immune response

Your humble blogger believes that this strategy is a mistake. It seems more prudent to get the vaccine out to as many people as possible as soon as possible, especially if the second dose only adds 10% additional protection to individuals.

In separate news, research also showed that the Pfizer vaccine can be safely stored and transported at temperatures found in your freezer, rather than the ultra-cold temperatures as first believed. This greatly simplifies the logistics of delivering the virus around the world. No longer needed are the sophisticated ultra-cold freezers that are not often found in the third world, or even in your local pharmacy or clinic. Simple freezers, like the one you have your home will suffice, enabling ordinary pharmacies and clinics to handle the vax, thereby facilitating its distribution.

Just don't confuse the vaccines with the ice cream.



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Excellent information that provokes as many questions as it answers. Are the powers-that-be in the US keeping up with this information, and, if so, why hasn't our vaccination policy changed?
Thank you for posting this.


Yes, US policy makers are keeping up with this information. CDC and Tony Fauci still want to focus on the double vaccination regimen for the reasons I posted in the blog.

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