美国FDA考虑为新冠疫苗加上“黑盒”警告，提示可能导致死亡或其他不良反应

Core Viewpoint - The FDA is preparing to add a "black box" warning to COVID-19 vaccines, indicating potential severe adverse reactions, including death [1] Group 1: FDA Actions - The FDA's vaccine director, Vinay Prasad, is leading efforts to adjust safety information regarding vaccines [1] - A "black box" warning is the highest level of warning for prescription drugs, used to alert about serious risks [1] Group 2: Government Officials' Stance - U.S. Secretary of Health and Human Services, Kennedy, has recently challenged existing vaccine guidelines and raised questions about the safety of COVID-19 vaccines [1]