'The pandemic is still with us': The bumpy road to the end of COVID

Pinpointing the end" of the coronavirus pandemic depends on the vantage point. The World's host Marco Werman spoke with Dr. Michael Mina, a leading epidemiologist and the chief science officer at EMed, a digital health care company, along with Zeynep Tufekci, a sociologist and professor at Columbia University, to learn more about the "bumpy, difficult off-ramp" from COVID-19.