pfizer vaccine April 14, 2022 10:40 am Pfizer Says COVID-19 Booster Raises Antibodies in Kids 5-11 Pfizer and its partner BioNTech said Thursday new data shows its kid-sized booster shot helps healthy 5- to 11-year-olds rev up virus-fighting antibodies. 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