All life encodes for a certain set of genes that code for proteins that make more proteins. No virus can, only the host makes more.

Would a professor know?
https://www.youtube.com/watch?v=jXmMdtRb0iQ

Viruses vs. Bacteria | What's The Difference?
https://www.youtube.com/watch?v=P_9DXEnEd-Q

Did you know that you can not kill a virus (anyone with Herpes will know)
https://www.youtube.com/watch?v=EADzWlbSdVM