First Documented Coronavirus Reinfection Reported in Hong Kong

2) This statement above by @VirusesImmunity that to have herd immunity, one must be protected against not just disease but also reinfection. This partly punches a small hole in arguments by pro-reopening & pro-herd-immunity-without-vaccine advocates who want epidemic to burn.

— Eric Feigl-Ding (@DrEricDing) August 24, 2020