SCP-217, also known as, “The Clockwork Virus” is an unexplainable virus contained by the fictional SCP Foundation.

This virus, which can infect any animal, causes parts of the body to transform into metal and other machine parts, which then replace said body system’s/organ’s role with mechanical processes. It can also alter the mental state of the subject infected.

For a more in-depth explanation of this entry, follow this link to read the original article: https://scp-wiki.wikidot.com/scp-217