Should people who have had the coronavirus and who currently exhibit so-called "natural immunity" (the presence of covid19 antibodies in their system) be subject to vaccination requirements or other restrictions which certain institutions, public or private, are attempting to place on un-vaccinated people? In other words, are there two kinds of un-vaccinated people (those who have the antibodies in their system and those who do not)?
https://universitybusiness.com/george-mason-relents-grants-covid-19-medical-exemption-to-professor/
https://universitybusiness.com/george-mason-relents-grants-covid-19-medical-exemption-to-professor/