@FromChicagoland @katebrady15 @Bob_Wachter @AshishKJha46 @ashishkjha Of course not. Even in 2020, with no vaccine or immunity from recovery, some people had mild or asymptomatic infections. It runs a spectrum.
@来自芝加哥的katebrady15 Bob_Wachter AshishKJha46 ashishkjha当然不是。即使在2020年，由于没有疫苗或恢复免疫力，一些人也有轻微或无症状的感染。它运行频谱。