Japan : Delta variant mutating in a way that will produce ADE in all Pfizer vaccinated

Thanks for those. That's the type of thing I was looking for.

Although, a couple of those articles make arguments against the French paper, and suggest that there have not yet been actual real-world signs of ADE. Just that the paper posits the very real possibility of it as indicated by their study.

The paper also points out that the vaccine trials and the use of the vaccines in clinical practice have led to no signs of ADE, either. So ADE in cells for SARS-CoV-2 does not seem to translate to animal models of infection, and nothing of the sort has so far been observed in the (huge) human population.

I guess time will tell. This possibility is definitely something to be aware of. Just because many refute it (or even just question it), doesn't nullify it as a possibility. The takeaways from the study to highlight might be:

The study team concludes and warns that ADE may occur in individuals receiving vaccines based on the original Wuhan strain spike sequence (either mRNA or viral vectors) and then exposed to a Delta variant.

Hence it was found that these infection enhancing antibodies not only still recognize Delta variants but even display a higher affinity for those variants than for the original SARS-CoV-2 strain

But as far as I can tell, this was the result of a study, and hasn't been directly observed in humans (yet), although if it mentions that it has been I missed it. Hopefully that’s a good sign, but it’s better to be informed and worried than hopeful and blind.
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Never believe. Always question. Rebuke belief, a.k.a. bias, a.k.a. groupthink, a.k.a. ideology, the bane of skeptical, logical reason.

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