Human, in particular, are vulnerable to virus infection. what is the benefit of this devastation and why? 1. lowering human-population. 2. evolution. 3. increasing viral population. 4. none.
Viruses cause various diseases especially in humans. In many cases many people die at the same time. No specific cure for this problem is currently known in medicine. This virus has two forms one, in inside and other, in outside of the host. Host-infection of viruses is highly specific at the molecular level. So, I think it has a biological benefit.