related_tweet: if you have not gotten your covid shot yet, know this: human trials of cancer vaccines using the same mrna technology as the covid shot have been taking place since 2011.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  the pfizer and moderna vaccines do not alter your dna in any way. the j&amp;j vaccine is old-school, safe tech.