related_tweet: @woofit79 sick w/ covid-19 = high viral load + symptoms such as coughing &amp; sneezing =&gt; transmission of high viral load sufficient to spread disease. 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  not sick w/ covid-19 = very unlikely to have &amp; transmit enough viral load to cause disease. covid asymptomatic spread is rare.