related_tweet: @pete74au @nairnzy yes it was. ceo of pfizer said on twitter it was 100% effective. biden (although in us) said if you get vaccinated you will not get the virus. this is what they have said!!
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  immunity was promised from several places! absolutely it was.