What was the most dangerous vorus you have seen , Was it a killer?:-)

Question: What was the most dangerous vorus you have seen , Was it a killer?:-)
- Keywords:
  achievement,
  discovery,
  work
Asked by ij44zbeast to Ian on 11 Mar 2014.
- Ian Hands-Portman answered on 11 Mar 2014:
  
  Haven’t you asked this one before 😉
  
  /lanthm14-zone/2014/03/11/what-has-been-the-most-dangerous-virus-you-have-seen/

Question: What was the most dangerous vorus you have seen , Was it a killer?:-)