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Registered Phenomena Code: 083

Object Class: Alpha-Orange

Hazards: Contact Hazard, Bio-hazard, Grouped Hazard

Containment Protocols: RPC-083 is to be kept in a standard Alpha-class containment cell with drainage pipes and may only be removed for testing reasons by personnel with Level 2 clearance or higher. Anyone infected with instances of RPC-083-1 are to be quarantined and given immediate intestinal, and if necessary, stomach surgery. RPC-083 is maintained by spraying it with aerosolized liquid sewage collected from the Site-002 waste disposal system no less than twice a day.

Description: RPC-083 is a colony of microscopic parasitoids (individually designated as instances of RPC-083-1) that disguise themselves to appear as an unusually large roll of toilet paper at approximately 0.5m in radius. Should a “sheet” of RPC-083 (designated as RPC-083-2) come into contact with any mammalian anus, instances of RPC-083-1 will swarm inside the user, and begin to breed and form nests inside the user’s intestines. If the user is dead, the instances will rapidly breed and consume the corpse or carcass. The process's length depends on the size of the corpse.

Instances of RPC-083-1 have a pH level of 13.4, allowing them to survive in the stomach upon stage 2 of infection, and can live up to 13 hours without food. The average specimen has a lifespan of three days and has shown the ability to metabolize fecal matter and waste products.

RPC-083-1 infection has three stages. The first stage occurs 3-4 days after the infiltration of a host body. Instances of RPC-083-1 will start feeding off of intestinal tissue and digested products from the host. Symptoms comparing to E. coli occur in the host. Within 2-4 days of the start of stage 1, the population of the growing RPC-083-1 colony will expand exponentially, and stage two will begin.

At stage 2, the colony expands to the stomach and begins to collect consumed food from the body, and feed off of the mucosa1. At this point, the existing population expands at 7 times the previous rate inside the host. The walls of the intestines start to thin, and symptoms such as heartburn and severe intestinal pain occur at this point. This cycle continues for about a week until stage three “shutdown” occurs.

At stage 3, the mucus lining in the stomach starts to become so thin extreme ulceration occurs. The intestines become so weakened that digested products can rupture the intestinal wall, creating massive intestinal perforations. Within one day of stage three, the host dies from a combination of toxic shock and internal bleeding, resulting in an explosion in the colony’s population. The population will feed on the now-dead host until the corpse or carcass until the skeletal structure is all that remains, and then make their way back to RPC-083. New instances of RPC-083-2 are formed with the excess population.

It is believed RPC-083-1 specimens have a shared consciousness or a “hive mind”. How the consciousness works should this be true is unknown. However, this would explain their ability to automatically know where RPC-083 is, and how they are able to form instances of RPC-083-2.

RPC-083 was discovered in a home in ████, Arizona. The Authority was alerted after the skeleton of ████ ███████ was found in his home, despite him having been alive 2 weeks prior.

Incident 083-A: During an experiment involving RPC-083, a host died in an airtight room, leaving all RPC-083-1 instances in the room completely cut off from RPC-083. Over the course of 5 days, the corpse of the human host rapidly decomposed, and on the 6th day, all RPC-083-1 instances in the room had died. Microscopic analysis of the specimens revealed each RPC-083-1 instance had approximately 88,000 genes each, more than 3 times the amount a human has. How these many genes can fit in a microscopic parasitoid is unknown. Research is pending.

Addendum: It was originally hypothesized several weeks after containment that a new colony would form should the RPC-083-1 population become large enough. However, testing and prolonged containment of RPC-083 has shown that it is capable of more than tripling its original size without forming a new instance of RPC-083.

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