
Shares of vaccine makers Moderna MRNA.O fall 3.4% to $25.10, Novavax NVAX.O slips 1.4% to $6.95 premarket
US FDA chief medical and scientific officer Vinay Prasad in a memo on Saturday told agency staffers COVID-19 vaccinations probably contributed to the deaths of at least 10 children who died of heart inflammation
The memo did not disclose the health conditions of the children, or the vaccine manufacturers involved; findings were based on an initial analysis that reviewed 96 deaths between 2021 and 2024
Prasad calls finding a "profound revelation" and announces plans to tighten vaccine oversight
Health Secretary Robert F. Kennedy Jr. has sharply changed government policy on COVID vaccines, limiting access to people 65+ and those with underlying conditions
Up to last close, MRNA down ~38%, NVAX ~12% YTD