> no other human coronavirus induces such immunity Wrong, with SARS-CoV-1 "immunity lasted between three to six years" [1] [1] https://web.archive.org/web/202

> no other human coronavirus induces such immunity Wrong, with SARS-CoV-1 "immunity lasted between three to six years" [1] [1] https://web.archive.org/web/20200424144554/https://newsnetwork.mayoclinic.org/discussion/crucial-test-to-identify-those-who-have-recovered-from-covid-19-and-have-active-immunity/ https://web.archive.org/web/20200424144554/https://newsnetwo...