SCP-049 Origin

15th Century SCP-049 was human at this time

SCP-049: ah cu- (stares at the thing that he just cured)
SCP-049-2: (grunts and SCP-049)
SCP-049: oh no what have I done?
Boss: he- your fired!
SCP-049: NOOOO!
Boss: My orders you failed! follow me (leads SCP-049 to a lab)

SCP-049: so?
Boss: I will make you better.
SCP-049: WHAT?!
Boss: You will cure the black plague.
SCP-049: I tried but I failed.
Boss: (grabs SCP-049 and throws him into a test tube) stay calm
SCP-049: NO!
Narrator: SCP-049's clothing and mask became part of his body.
Boss: You are now better.
SCP-049: I am the cure.
Boss: Yes you are

SCP-049 became what he is today…