Hosts May Benefit from Infection by Persistent Viruses Because

Multiple Choice

Hosts may benefit from infection by persistent viruses because:

A) hosts never come down with illness when infected by persistent viruses
B) persistent viruses could encode growth factors beneficial to infected hosts
C) persistent viruses shorten hosts' generation time, resulting in hosts that outcompete their competitors
D) persistent viruses could encode toxins that kill off competing bacteria
E) persistent viruses could improve hosts' efficiency in uptake of nutrients