"When they come in contact with organic matter, they use the mass to form a neural control network that then takes control of the ship... Each beast cell functions like a biomechanical virus. It is capable of using and subverting living cells in much the same way that i-it subverts and uses non-organic technology..."
A virus walks into a bar. The bartender says, "We don't serve viruses here." The virus replaces the bartender and says, "Now you do."
Smith: Yes, me (stabs his hand into the Agent). Me, me, me...
Smith: Me too.
Morpheus: And now there's more than one of them?
Neo: A lot more.
Link: How's that possible?
Neo: I don't know. Somehow he's found a way to copy himself.
Morpheus: Is that what he was doing to you?
Neo: I don't know what he was doing... but I know what it felt like.
Neo: It felt like I was back in that hallway. It felt like dying.
I come from the Net. Infecting systems, people, and cities. To this place... Megaframe. My domain. My Format: Virus. To corrupt, and conquer.
Every dead body that is not exterminated becomes one of them. It gets up and kills! The people it kills get up and kill.
Dawn of the Dead, about the Zombie Virus
"They remade her in their own image. Then she made more of them."
- Hespith, Dragon Age: Origins