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by cbxyp
1544 days ago
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>since even lacking long term empirical evidence we know how they work and have a deep mechanical understanding of mRNA vaccines, and they are not going to cause issues, period. Erm, our understanding of the mechanics of COVID vaccines has changed dramatically over the period since their introduction. Initially it was thought that they provided longterm immunity, now boosters. The manufacturer said that spike proteins would not escape the muscle. Pfizers own post marketing study shows that they spread thru out the body. In short, we do not have a deep understanding of the long term impacts, as evidenced by the unexpected drop in efficacy. It may be that so-called "leaky" vaccines such as the COVID vaccines, which do not produce neutralizing antibodies result in strains with worse potential lethality evolving, as is the what happened with Marek's disease in chickens. Initially, vaccine manufacturers and the CDC alike claimed that vaccines were producing neutralizing antibodies. Now 4 out of every 5 hospitalized cases of Covid in Canada have received their 1st, 2nd and third shots. In short, I hope you were kidding saying that. |
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I don't remember that ever being said. Initially it was HOPED that it might provide longterm immunity - but the vaccines were launched into a world where we still didn't have a conclusive answer to the question "can you get covid twice". If anybody was saying that, they were speaking beyond their knowledge.
As for the unexpected drop in efficacy, that is at least in part due to the fact that the covid-19 we're exposed to today is not the same covid-19 that the vaccine was targeted against.
For the record, I agree with your overall point - mRNA vaccines were not and are not a well understood system with no potential for unknown effects. But neither is covid and given the two unknowns, the vaccine seems the safer choice.