Big shakeup in the COVID vaccine world: The FDA is suddenly asking Novavax to run a whole new clinical trial before updating its shot, even though it’s been used for years. This move has everyone wondering if Pfizer and Moderna are next. Experts say it could mean endless trials and delays for all future vaccines. Is this about safety, politics, or something else? Stay tuned—this could get messy! #Novavax #COVID19 #FDA #VaccineUpdate #HealthNews #Health