coronavirus October 20, 2021 7:24 pm Stanford's Key Role in COVID-19 Vaccine Trial for Kids NBC Bay Area’s Jessica Aguirre spoke to Dr. Yvonne Maldonado of Stanford about the COVID-19 vaccine rollout for kids. 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