related_tweet: @vp cdcsvaccine adverse events reporting system(vaers) revealed419 casesof pericarditis, myocarditis  between dec. 14, and may 21, 2021 in the u.s following covid vaccination. of the 419 cases reported,247 attributed to pfizer,151 to moderna, 20 casesto j &amp; j.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  400,000 dead.