Venus Versus Virus is a Japanese manga series created by Atsushi Suzumi which was first serialized on June 27, 2005 in MediaWorks' shōnen manga magazine Dengeki Comic Gao!. The manga ended serialization in Dengeki Comic Gao! on February 27, 2008 due to the magazine's discontinuation, but the manga continued serialization in ASCII Media Works' manga magazine Dengeki Daioh between March 21 and July 26, 2008. Eight bound volumes have been released by ASCII Media Works in Japan. The manga has been licensed for English language distribution by North American–based company Seven Seas Entertainment; the first volume was released in July 2007. Later, a drama CD was created based on the manga series in October 2006. The series has since been adapted into an anime produced by Studio Hibari that aired in Japan between January and March 2007 on BS-i, consisting of twelve episodes.

Monthly Dengeki Comic Gao! , also known as Dengeki Gao! was a Japanese shōnen manga magazine that primarily contained manga and information about series featuring bishōjo characters. It was published from December 1992 to February 2008 by MediaWorks. The Gao in the magazine's title is a childish form of the sound Grr. Many manga serialized in Dengeki Comic Gao! were adapted from light novels published under MediaWorks' Dengeki Bunko label. The magazine was sold every month on the twenty-seventh.