“ No, we won't. A deeply flawed oped https://wsj.com/articles/well-have-herd-immunity-by-april-11... —55% of Americans do not have natural immunity —2/3 of the US population has not had covid —Wrong on T-cell protection —Very high Brazil infection rate was not protective —150M will not be vaccinated by March end”

https://twitter.com/EricTopol/status/1362513761383321602