Two years have passed since the appearance of COVID-19 in the United States, which forced officials to close the doors of the US Capitol building. Dr Ayman El-Mahandez, dean of the Graduate School of Public Health and Health Policy at New York City University, is reflecting on the last two years with Lana Zack of CBS News. Together, they discuss topics, including what he learned about the virus and its effects on Americans, the fluctuations of the vaccine and the importance of vaccinating children.
