related_tweet: "systemic adverse events were more common after the second vaccination, particularly with the highest dose, and three participants (21%) in the 250-g dose group reported one or more severe adverse events."
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  moderna vaccine