Skip to main content
Report an accessibility problem
ASU Home
My ASU
Colleges and Schools
Sign In
Ask An Expert
Home
About
About Us
Contact Us
Discover More
Ask A Biologist
Ask An Anthropologist
Ask An Earth and Space Scientist
Support Us
a small infectious agent that relies on the cells of a host organism in order to replicate.
Read more
about The genetic fight against infection
Share this page
Subscribe to Virus