RELATED: Clinical COVID-19 vaccine trials started for childrenIt's a small study, that hasn't yet been published, so another important piece of evidence is how well the shots revved up the kids’ immune systems.
Researchers reported high levels of virus-fighting antibodies, somewhat higher than were seen in studies of young adults.Kids had side effects similar to young adults, the company said.
The main side effects are pain, fever, chills and fatigue, particularly after the second dose. The study will continue to track participants for two years for more information about long-term protection and safety.AdvertisementPfizer and its German partner BioNTech in the coming weeks plan to ask the U.S.