Do viruses exist? (TMBZ014)

The existence of nanoscopic viruses is assumed by almost everyone from a young age. But do these killer entities that you've never independently observed truly exist? Let's find out together.

https://docs.google.com/document/d/1k9qGYV6GXYQzrJhVK1Htps-OW0KXfTEy_hzpmyxbK8E/edit