The Brief Healthy younger adults and children will no longer be automatically approved for annual COVID-19 vaccines under a new policy from the FDA. The U.S. Food and Drug Administration will no longer approve annual COVID-19 vaccines for healthy younger adults and children unless drugmakers do lengthy new studies. COVID-19 vaccine changesWhat we know:The Trump administration will limit approval for seasonal COVID-19 shots to seniors and others at high risk pending more data on everyone else. The other side:The nation's leading pediatrics group said FDA's approach will limit options for parents and their children. Pfizer and Moderna, makers of the most commonly used COVID shots, each said they would continue to work with the agency.