5 years since WHO declared COVID-19 a pandemic

Five years ago Tuesday, the World Health Organization declared COVID-19 as a global pandemic. Dr. Bob Lahita, director of the St. Joseph's Institute for Autoimmune and Rheumatic Disease, joined CBS News to discuss the virus and the five years since its emergence.

5 years since WHO declared COVID-19 a pandemic
Five years ago Tuesday, the World Health Organization declared COVID-19 as a global pandemic. Dr. Bob Lahita, director of the St. Joseph's Institute for Autoimmune and Rheumatic Disease, joined CBS News to discuss the virus and the five years since its emergence.