response: I can't say, but I do know that viruses are found pretty much everywhere on the planet. Did you know they are the most numerous biological entity?
original_response: I think they can, it's hard to find the right one. Viruses exists in almost every ecosystem so it's hard to rid yourself of them completely.
history: I have the worst cold.  I wish I knew how I caught it. That's too bad. Did you know the cold is caused by a virus? Does that mean they can, or can not be treated with antibiotics
knowledge: Viruses are found in almost every ecosystem on Earth and are the most abundant type of biological entity.