Is third COVID shot needed for the medically vulnerable?
Clip: 06/25/2021 | 3m 35s | Video has closed captioning.
It's a serious problem that impacts more people than you think -- millions with diabetes, cancer, rheumatoid arthritis or who have had organ transplants. Most of them share a weak spot -- immune systems that are compromised by drugs or radiation therapy, or everyday medicines.
Problems Playing Video? | Closed Captioning