related_tweet: @coregont @erictopol @naturemedicine good point. convalescent plasma therapy should be given in infectious phase of the disease, when the first symptom for most patients is low fever.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  when respiratory symptoms start to emerge, the disease has progressed to inflammation phase and steroids should be given.