Each SARS-CoV-2 reinfection causes more severe disease

In a recent study under review at the Nature Portfolio journal and currently posted to the Research Square* preprint server, researchers at Washington University School of Medicine and VA Saint Louis Health Care System showed that acute severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) reinfection adds to the risks of all-cause mortality and hospitalization accrued during the first SARS-CoV-2 infection.