The Virus () is a 2013 South Korean television series starring Um Ki-joon, Lee So-jung, Lee Ki-woo, and Jo Hee-bong. It aired on OCN from March 1 to May 3, 2013, on Fridays at 22:00 for 10 episodes.
Lee Myung-hyun and his disease control task force investigate a mutant virus that has a 100% fatality rate and kills the infected within three days. Not only must they find an antidote, they must also stop the epidemic from spreading and killing all of humankind.
It aired in Japan on cable channel KNTV from October 23 to November 21, 2013, and was re-aired on cable channel BS-Japan.