I know you're joking, but I was surprised to learn [1] that there are cases pointing to the likelihood that recovery from infection will not necessarily lead to

I know you're joking, but I was surprised to learn [1] that there are cases pointing to the likelihood that recovery from infection will not necessarily lead to immunity from subsequent infection. [1] https://www.vox.com/2020/7/12/21321653/getting-covid-19-twice-reinfection-antibody-herd-immunity https://www.vox.com/2020/7/12/21321653/getting-covid-19-twic...