Schools May 17, 2021 11:03 am Schools Should Continue to Use Masks for 2021-2022 School Year: CDC The CDC released guidelines on Friday recommending that K-12 schools continue to require face masks for the 2021-2022 school year. 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