DEA News
Return to News Home

Underlying Medical Conditions and Severe Illness Among 540,667 Adults Hospitalized With COVID-19

Severe COVID-19 illness in adults has been linked to several key underlying medical conditions.

CDC, Jul 30, 2021

This study identified frequent underlying conditions and their attributable risk of severe COVID-19 illness.


94.9% of hospitalized patients with Covid had at least 1 known underlying comorbidity.

64.2% of those hospitalized who had 6 or more comorbidities died. 0.9% of those hospitalized who had 0 comorbidities died.

Relative risk of death related to comorbidities:

View the full study

Return to News Home