Two teenagers died shortly after COVID-19 vaccination, experts reported in a study published Feb. 14, 2022. Within hours, federal officials scrambled to respond, worried the paper would harm their efforts to promote COVID-19 vaccines, internal emails show. “This is important because this report has significant implications for CDC and FDA’s vaccine safety and policy discussions,” Dr. Sarah Reagan-Steiner, a medical officer at the U.S. Centers for Disease Control and Prevention (CDC), wrote on Feb. 17, 2022. The CDC and the U.S. Food and Drug Administration (FDA) have repeatedly promoted widespread COVID-19 vaccination and downplayed confirmed and possible side effects of...