Doctors see one patient at a time. Public health studies and serves whole populations.
AIR DATE 3/24/20
We are alive today because an invisible army of professionals has been working tirelessly for over a century to save our lives and improve our health. Their work affects us every day, in ways we never see. Discover the past, present and future of this unseen world of heroes. Produced in partnership with University of Minnesota School of Public Health.