Home > Health > Where Did Viruses Come From? Where Did Viruses Come From? Health Star STEM Toys - Smart Toys for Smart Kids Share on Pinterest This video from PBS explores the origins of viruses and how they evolve. The past of viruses can be traced because they are preserved in the DNA of the hosts that they’ve infected. But are viruses even alive? Share on Pinterest Related Posts 30 Facts About The Human Body You May Not Know Seventeen Jaw Dropping Facts About The Human Body The Molecular Machines In Your Body Viruses – An Explanation About What They Are Why Do We Have Different Blood Types?