How do you get rid of a virus?

Give It Time: I'm assuming you're asking about a minor viral respiratory illness, like the common cold, etc. There are many such viruses and there is nothing we can do, once you are infected, to directly attack the virus itself. There are medications to improve symptoms, like fever, aches, etc. But antibiotics have no effect (unless you also have a bacterial infection too). Body will heal by itself most times.