- Into this cozy home may come flu virus, staph, strep germs. That's why the Johnson Wax Biology Center developed Virex, the new antivirus spray. It fights the 1970 winter viruses in the air you breathe. (bottle spraying) Lab tests prove that Virex kills 90% of the airborne flu virus and staph and strep germs. The leading disinfectant spray can't do that. New Virex, it kills the 1970 winter viruses.