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| An instance of XXXX-2, consistent with a Stage 4 infection |
Item #: SCP-XXXX
Object Class: Euclid
Special Containment Procedures: Due to the nature of XXXX and the extent of its infestation true containment is impossible. The fifteen (15) hosts currently in Foundation custody are to be kept in a sound-proofed room furnished identically to standard Class-D quarters. All Foundation personnel entering the XXXX containment area must wear industrial grade ear protection rated to a minimum of 120Db.
The ███ known hosts outside of Foundation custody have been fitted with standard issue tracking devices and are being monitored by MTF Mu-8 ("The Phantoms").
Description: SCP-XXXX is an infectious agent that propagates through auditory transfer. Normal human brain activity provides insufficient energy for this entity to sustain itself. Therefore, it utilizes incomplete pieces of music to induce the necessary brain activity. The pieces utilized appear to be completely random (with the exception of XXXX-1) and have ranged from fragments of popular songs to [DATA EXPUNGED].
By our current estimates around 0.█% of the world's population is infected or has been exposed to XXXX, but due to the entity's unusual life-cycle and the relatively innocuous nature of a Stage 2 infection this could be far higher. Worst case estimates place the actual infection rate at about █% of the world's population.
SCP-XXXX-1 is a musical pattern that XXXX uses as a transmission vector. The music is not dangerous in and of itself but an instance of XXXX can reproduce itself to the mind of any human listening to XXXX-1 within ██m of its current location. Soundproofing appears to be ineffective at reducing this distance.
SCP-XXXX-2 is a swelling, of the Posterior Auricular lymph node. What differentiates XXXX-2 from a common bubo is that it has a tensile strength of roughly 3800 MPa, making it nearly impossible to damage without killing the host.
Infection generally follows four stages:
Stage 1 (48 hrs):
Subjects report hearing many different, pieces of music, It has been theorized that transmitting from one host to another requires a lot of energy, and this stage is a means for XXXX to re-gain some of the spent energy.
Stage 2 (Indefinite):
In this stage XXXX goes dormant, re-awakening every month, to six weeks, to feed. These feeding sessions generally take between two (2) and five (5) hours, and mainly consists of a single incomplete piece of music playing over and over in the subject's head. When the subject remembers or figures out the ending to the selection XXXX ceases feeding and goes dormant again. This stage can last indefinitely, making detection nearly impossible.
Stage 3 (8 days):
Stage 3 begins when XXXX introduces a short selection of XXXX-1 into the subject's mind instead of a random piece of music and the manifestation of XXXX-2. Each day the length of the selection increases until, the subject has heard XXXX-1 in it's entirety. Upon hearing the completion of XXXX-1 subject will immediately enter stage 4.
Stage 4 (0-3 hrs):
Subject enters a trance like state and seeks out the nearest large group of people, then walks through the crowd while vocalizing XXXX-1 by any means necessary. Approximately 10% of the people who hear XXXX-1 are infected with an instance of XXXX, after a variable number of successful infections XXXX goes dormant again, leaving the subject with no recollection of of XXXX-1, or of anything they did since entering stage 4. XXXX remains dormant for six months, then returns to stage 2 feeding patterns.
Testing Log:
Experiment: 01
Subject: 1 female Labrador retriever
Result: No effect, XXXX refused to enter subject.
Experiment: 02
Subject: 1 male chimpanzee
Result: Same as experiment 01.
Experiment: 03
Subject: D-995812 (male)
Note: As a child subject suffered from [REDACTED] leaving him, brain damaged.
Result: Subject complained of a headache throughout all of stage one, after the forty-eight hours were up no further anomalous activity was recorded.
This confirms my theory that XXXX can not survive unless the brain it is inhabiting can generate a sufficient level of activity. - Dr. ██████
Experiment: 12
Subject: D-995931 (female)
Stage: 4
Note: Subject was gagged and handcuffed to prevent vocalization of XXXX-1
Result: Subject used her feet and head to drum out a crude version of XXXX-1, one (1) of the ██ class D personnel within earshot was infected. Subject returned to stage 2 as per usual.
** Addendum:**
Document O5-0XXXX-H14
[[collapsible show="Insert Access Key" hide="Access Key Accepted"]]
> If you're reading this then someone thought you should know the truth about XXXX,
> the truth is, the worst case scenario
