A medieval plague doctor who thinks everyone is sick with the pestilence SCP-049 will become hostile with individuals it sees as being affected by the Pestilence, often having to be restrained should it encounter such. If left unchecked, SCP-049 will generally attempt to kill any such individual; SCP-049 is capable of causing all biological functions of an organism to cease through direct skin contact. 
SCP-049 had stated its desire to work on human subjects several times but is denied