coronavirus vaccine March 16, 2021 9:46 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 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 2:39 New COVID variant known as Eris causing rise in cases, experts say 2:05 Federal Covid-19 Public Health Emergency Ends After More Than 3 Years 2:05 After More Than 3 Years, COVID-19 Public Health Emergency Coming to an End 0:35 WHO: COVID Is No Longer a Global Health Emergency