KPIX CBS Evening News With Norah ODonnell August 19, 2021 01:33:00
If you got pfizer or moderna, you're going to want to stick with the same manufacturer when you go back to get a booster shot. resiid was an attempt to stay ahead of the coronavirus: >> my administration has been planning for this possibility and this scenario for months. we purchased enough vaccine and vaccine supplies so when your eight-month mark comes up, you'll be ready to get your vaccination free. >> reporter: this booster strategy comes from data which shows that the vaccines are losing efficacy over time. >> the current strong protection against severe infection, hospitalization, and ...