Salvador
RF's Swedenborgian
For that to be significant, we'd see 1/2 million dead if not more with an unknown number suffering long term or permanent disability from virus side-effects.
I concur with your figure of there being 1/2 million dead Americans before herd immunity is reached; Without a vaccine or a drastic Wuhan style militarized quarantining of almost every American, I'm confident the status quo public policy of social distancing can merely slow down the spread of C.O.V.I.D. this failing to stop the spread of SARS-CoV2 from ultimately infecting over half of everybody in America.