Most recovered COVID-19 patients mount broad, durable immunity after infection
Neutralizing antibodies show a bi-phasic decay with half-lives >200 days
Spike IgG+ memory B cells increase and persist post-infection
Durable polyfunctional CD4 and CD8 T cells recognize distinct viral epitope regions
Here's proof that's totally wrong: https://www.cell.com/cell-reports-medicine/fulltext/S2666-37...