Eons

Season 2, Episode 21

Episode Title: Where Did Viruses Come From?

Air Date: 2018-06-12

Overview:

There are fossils of viruses, of sorts, preserved in the DNA of the hosts that they’ve infected. Including you. This molecular fossil trail can help us understand where viruses came from, how they evolved and it can even help us tackle the biggest question of all: Are viruses alive?