Citation for “most experts.” Most actual virus experts I’ve seen say the opposite: the virus is mutating slowly (at least in the spike protein, which is the part the immune system responds to) and the “reinfection” measurements are likely measuring residual virus genetic material, not necessarily true reinfection.

@trvrb on Twitter. And this other guy, with this thread: https://mobile.twitter.com/PeterKolchinsky/status/1244029896...

(Which doesn’t mean I disagree with your overall point that this won’t be an instant-bounceback.)