what is the significance of the phrase on page 34, "rapid virus evolution"

Question

chapter 3

Asked by brock r #633565 on 4/5/2017 1:44 AM

Last updated by Aslan on 4/5/2017 3:28 AM

Answered by Aslan on 4/5/2017 3:28 AM

This is when a virus has the ability to jump species. HIV is an example of this.