coronavirus vaccine October 19, 2021 8:37 am FDA Plans to Approve ‘Mix & Match' Booster Shots The FDA is expected to authorize the mixing and matching of COVID-19 booster shots this week, according to multiple reports. US & World Videos 2:19 San Francisco barbershop struggles to stay open after pandemic 0:51 Alameda County using dogs to detect COVID 3:57 Interview: Doctor's perspective on COVID 4 years after shutdown started 2:27 Marking 4 years since COVID-19 shut down the Bay Area 2:09 CDC updates COVID isolation guidelines