The U.S. could be seeing the start of a fourth
coronavirus wave as infections triple in just weeks. CBS News
correspondent David Begnaud and CBS News chief medical
correspondent Dr. Jon LaPook report on the day’s headlines. Then,
Dr. Mati Hlatshwayo Davis, an infectious disease physician at John
Cochran VA Medical Center and a member of the St. Louis Board of
Health, joins CBSN’s Lana Zak with her analysis.