No worries - it was clearly just a typo :-)
Re:A case for ending lockdown
by ryankemper on Thursday April 30, 2020 @03:25AM
(#23028328)
It is fun to imagine the negative herd immunity threshold implied by the erroneous form of the equation though :P
Say R0 is 2, 1/(1 - R0) means that we already hit herd immunity before SARS-CoV-2 even existed!
(The irony in me having said it was "exactly" what Wikipedia says is not lost on me :P)
https://gitlab.com/ryankemper/writings/-/commit/093ade629447...