Should we kill all viruses on the planet with nanotech?

Could killer-nanites be a cure more dangerous that the disease?

Let me start by saying that I am not a scientist and have superficial, popular science and book knowledge of matters of biotechnology. My latest reading was Neo.Life:25 Visions for the Future of Our Species a collection of 25 essays on how humanity now has the tools and knowledge (the knowledge increases with research) to control the evolution of humans and other life forms, even correcting “design errors” (as if there were a designer or sloppy divine engineer) such as…