Comorbidity has quite a lot do with cause of hospitalization. One study [1] observed that 94.9% of people hospitalized for severe COVID-19 had at least one unde

Comorbidity has quite a lot do with cause of hospitalization. One study [1] observed that 94.9% of people hospitalized for severe COVID-19 had at least one underlying medical condition. [1] https://www.cdc.gov/pcd/issues/2021/21_0123.htm https://www.cdc.gov/pcd/issues/2021/21_0123.htm