Lack of antibodies in the bloodstream does not equate to lack of immunity. - There could be antibodies at the mucosal level (IgA) - There could be cellular re

Lack of antibodies in the bloodstream does not equate to lack of immunity. - There could be antibodies at the mucosal level (IgA) - There could be cellular responses (T cells) that aren't detected - There could be immunological memory at play after antibodies aren't detectable anymore A critique of the work, a little heavy-handed: https://statmodeling.stat.columbia.edu/2020/06/17/some-forecasting-for-covid-19-has-failed-a-discussion-of-taleb-and-ioannidis-et-al/#comment-1363907 https://statmodeling.stat.columbia.edu/2020/06/17/some-forec... (this specific comment)