[Name] Maverick Virus [Source] Mega Man X [Symptoms] 
A virus that affects Reploids. Causes violent insanity and is passed by touch. Victims can sometimes retain their intellect. Combination with the intelligence of the Maverick Hunter Sigma created a variant form called the Sigma Virus, which is airborne. Mega Man X can be harmed, but not mentally suborned, by this virus. Zero is actually strengthened by exposure, due to his unique status. The Zero Virus is a further evolved, faster version.