Mayo Clinic Q&A Podcast
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2021/08/a-medical-person-wearing-gloves-holding-a-COVID-19-vaccine-syringe-16x9-1.jpg)
September 2, 2022
The first significant change to COVID-19 vaccines since their rollout came this week as the Food and Drug Administration granted emergency use authorization for updated[...]
Explore more topics
Sign up
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2022/07/img30.jpg)
Mayo Clinic Connect
An online patient support community