The largest virus has 25 hundred janes, which is the pandora varus. The mame virus can actually get infected by other viruses called satllite viruses. What the satellite virus does is basically just dismantles the larger virus. It just wreaks havoc on it, so sort of destructs it. Why? We don't know. Does it do it whilst it's in a host, or it can do it out anyhats a good question. But then, asun is a replication, a need for things to create more of itself, regardless of living or not.