coronavirus vaccine March 16, 2021 6:46 am Moderna Is Testing COVID-19 Vaccine in Children Moderna says it is studying its coronavirus vaccine in children ages six months to 11 years old. 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