Sure once a year for flu shots with different strains. This is the exact same protein again and again. Nothing like this has been done before outside of allergy vaccines from what my allergist told me who is to say at the very least skeptical about it.
Why would it be the same protein used then, if that happened? The booster trials for delta and omicron compared the advantages of changing the protein to using the same shot, and used the same shot because it was observed to work well in trials. Also, again, the tetanus and rabies vaccines have regular boosters, with exactly the same formulation. So what is it they claim hasn’t been done before and why?
The current booster is still the same vaccine as before meaning a lot of people have had up to 4 shots of the same vaccine. The new variant shot is not generally available as far as I know at least in Europe
They didn't work well actually. Effectiveness against Omicron of boosters was zero. The regulators and pharma firms did however redefine "work" to mean the generation of antibodies (against the long extinct 2019 strain spike protein). This is illogical and puts the cart before the horse; we only care about antibodies to the extent they stop people getting sick.
The reason they had to do this is because the vaccines cause fixation. The body can't tell the different spikes apart, so injection with mRNA coding for Omicron spike leads the body to create (not very effective) antibodies against the original spike from the first round of vaccines. Immune memory seems to lack resolution, or possibly Omicron evolved specifically to confuse it in that way, but whatever the cause is, the body just says "a spike! i know what to do!" and doesn't learn from the new round of adjusted vaccines.
Unfortunately this type of so-called biomarker study is now becoming commonplace. They are confusing the means for the end.
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