In this episode of OA on Healthcare, Dr. David Katz, “the poet laureate of health promotion,” describes Everist Health’s COVIDAge Risk Calculator, an innovative tool that measures an individual’s risk for hospitalization and mortality from COVID-19. David L. Katz, MD, MPH is a Medical Doctor and world renowned epidemiologist that has worked in the fields of preventative medicine and public health for over 30 years. As well as holding several positions at institutions such as Yale University, Dr. Katz has over 200 peer-reviewed publications, is prolific in the media with hundreds of newspaper columns and has authored multiple books. On the COVID-19 pandemic, he has advocated consistently for a policy of total harm minimization by means of risk-stratified interdiction efforts.