if that were the case, then her child would be safe, since it was immunized.  
  
Immunity is not 100%, but really what you seem to be implying is that we should only look out for our own self-interest. 
  
If your kid has some candy, I'm totally stealing it.  
  
you seem to be drawing your own conclusions here....  
  
Kimmo:  STFU.  MKTHXBYE!