The word viral has come to mean the transit of electronic information at an intensified speed and reach. Viral also refers to indiscriminate exchanges, often linked with notions of bodily contamination, uncontainability and unwelcome transgression of border and boundaries. Here the editors invite a rethinking of institutions of education, family, religion, health, military and law to introduce an inventive cultural criticism about social media, financial markets, pollution and genetics. Also included are artist's projects exploring technological and political registers.