[AndrewC]

Excessive water consumption reduces the concentration of electrolytes in the blood stream. And then there's plain old drowning.

And virii "infect" a cell by having the RNA passed through the cell wall and replicated along with other RNA within the cell. So what? The RNA is no more alive than a brick is a courthouse.

[CobaltBlue]

How alive is your DNA?

(I assume that you realize that there are both DNA viruses and RNA viruses, so there's no reason to embarrass you.)