The summer surge of COVID is a reminder the virus is still very much with us. As we move into the cold and flu season, questions about how to protect yourself are resurfacing, including the newest Covid vaccine.
To get answers to some of the Covid questions, KCBS Radio anchor Liz Saint John was joined by Dr. Peter Chin-Hong, Professor of medicine and Infectious disease expert at UCSF School of Medicine.
John Moore / Staff / Getty Images