In December 2019, a cluster of patients with pneumonia of unknown cause was reported in Wuhan, China (1). The causative pathogen was subsequently identified as severe acute respiratory syndrome–related coronavirus-2 (SARS–CoV-2) (2), a newly described betacoronavirus. This virus, now recognized as the etiologic agent of COVID-19 disease, is the seventh known coronavirus to infect humans (1). Sin