Ua Virus

The Ua virus is a biological weapon of mass-destruction that kills its victims within 12 hours, causing parts of their bodies to bleed. The use of the virus in a bio-terrorist attack in Shibuya forms the background of wikipedia:428: Fūsasareta Shibuya de. An anti-virus was developed by Oosawa Kenji.

Ua is a word from the Swahili language that means flower or death. It is later revealed that the virus was a joint venture between the CIA and Snake.