How do “viruses” actually compare between those man-made versus those nature-made? Which type has been the most devastating?

Compiled By: Uniblue
How do “viruses” actually compare between those man-made versus those nature-made? Which type has been the most devastating?

Compiled By: Uniblue

DC: I look forward to hearing Brad at TechEd 2013...
DC: I just entered. Wish me luck :)...
johnny: this is bs...
Rod Trent: That happens. Its a false positive because there are scripts in the zi...
Tim: Virus detected for the Right Click Tools Link!!...