The CDC provides an evidence-based resource for healthcare providers caring for patients with underlying medical conditions who are at higher risk of developing severe outcomes of COVID-19. Severe outcomes are defined as hospitalization, admission to the intensive care unit (ICU), intubation or mechanical ventilation, or death.

Their page summarizes data from published reports, scientific articles in press, unreviewed pre-prints, and internal data that were included in a literature review conducted by subject matter experts as of August 31, 2021. The information reflects current evidence regarding underlying medical conditions and is intended to help healthcare providers make informed decisions about patient care and increasing the awareness of risk among their patients. To learn more about CDC's resource, please click here.