coronavirus March 25, 2020 8:08 am Vancouver Residents Cheer For Medical Workers During Shift Change Residents in Vancouver, Canada, cheer for medical workers as they make their shift change. 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