Let's be 100% clear: this is all speculation. I take no side on any of it, except to say that the evidence is bad, and what little good evidence there is doesn'

Let's be 100% clear: this is all speculation. I take no side on any of it, except to say that the evidence is bad, and what little good evidence there is doesn't support the hyperbolic claims of prevalence, nor does it support the claims of any particular mechanism or theory of what "long covid" is (if anything at all).