Are viruses considered alive?

Are viruses considered alive? Then how could we kill them? Which came first, man or virus? Why do you think viruses infect humans the way they do? Do you think there would be an advantage to killing its host? What have you learned about the viruses that might prevent you from getting sick with one of them? If you were to get sick, which virus is most likely to make you miserable but the illness would be self-limited? 150-200 words