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 2:33 CDPH releases updated Covid-19 isolation guidelines 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 2:17 San Diego and California's COVID-19 Emergency Declarations Are Expiring. Here's What That Means 2:30 San Diego and California COVID-19 Emergency Declarations Expire Tuesday 3:26 COVID, Flu Cases Down Slightly; Doctors Urge Caution