Eurosky Low-Emission Infectious Disease
"The truth is much more complicated than you think."
This article is written from a Lore perspective. It contains spoilers and different reference materials might be contradictory.
The Eurosky Low-Emission Infectious Disease (低辐射广域性感染症 or 广域性低辐射感染症), or ELID (“EILD” or “ED”), is the result of exposure of the human body to the radiations of Collapse Fluid.[1] Persons who went through complete infection without dying start acting similar to zombies, and are called “ELID Infected” or “ELIDs” (“ED Infected”). Infected are hard to kill due to the layer of hard silicon formed over their skin. The Assault Artillery platform was originally designed to destroy ELIDs.[2]
Symptoms
The symptoms for acute exposition to Collapse Fluid radiations (such as a Collapse Bomb) include coughing blood,[3] pain in the head and stomach[4] or a sensation akin to one's bones piercing through the skin,[5] convulsions,[4] fatigue, scorch marks on the skin and periods of unconsciousness.[6] Most people die directly from radiations due to their average body resilience, but healthy people like soldiers can survive to reach the worst stages of irradiation.[7] Despite this, children can still turn into infected.[8] As silicification[9][10][11][12] (硅化, also translated “silication”[7][13] or, improperly, “siliconization”[14]) occurs, their muscles and blood vessels will harden and their mind progressively withers to basic aggressive instincts.[7] Due to this stiffening the soon-to-be infected maybe unable to flex their fingers and turn their own weapon on themselves.[4]
Advanced ELID infection contracted by repeated exposure for short periods of time manifests physically as bluish-green skin, extremely fast aging made evident by geriatric wrinkles and crows' feet on the face, difficulty to breathe, muscular weakness and very unstable vital signs. Body amino acids decompose, connective tissues break down throughout the body, red blood cell count falls rapidly along with blood oxygen carrying capacity and the skeletal structure changes, undergoing calcification and increasing the density and hardness of bones to numbers up to 400 HB, far beyond conventional steel. Onset period increases as the body is repeatedly exposed to relics. Acute infection is fatal within 61 hours. Conversion to infected can take 24 to 48 hours, but necessitate the body to be healthy enough to survive DNA recombination.[15] Under heavy radiation doses, transformation can take only minutes.
ELID Infected
Standard ELID Infected are attracted to sound and moving objects not produced by other ELIDs.[16][17] The source of their killing impulse is unknown but they seem to attack everything but themselves indiscriminately and become more aggressive the longer they have been infected.[7] However, in areas with particularly high radiation levels where there is no living creature to feed on, ELIDs can cannibalize each other.[17] Infected seem to retain a certain degree of muscle memory, as demonstrated by infected soldiers actually firing their rifles haphazardly, though they are not capable of more complex actions like launching grenades.[18] Soldiers severely irradiated undergo skin and internal organs mutations that make them both larger and more resilient than other infected, becoming Smashers,[19] "Chimera" or "gigantified".[20]
ELID infection confers great resistance to the body.[17] Even in early stages, as much as seven handgun bullets can be necessary to put an ELID down.[7] Infected staying in radiation zones for extended periods of time will undergo more drastic physical changes, with D-Class infected being completely inhuman and monstrous in form, and extremely difficult to kill even for Assault Artillery platforms.[2] Also called “D-Type”, these mysterious creatures can become the pack leader of lesser ELIDs. It is implied that even more dangerous types exist.[21]
The Nytos from Paradeus recognize ELID infected as “baptized” and refuse to harm them, even when attacked.[22]
Immunity and cure
There are two types of immunity to ELID, designated “semi-immunosome” and “pan-immunosome”[23] (or “fully immune individual” in Reverse Collapse: Code Name Bakery). Semi-immunosome humans can be in close contact with Collapse radiations or ELID infected with no adverse effects. Semi-immunosome immunity can be innate or acquired. Known semi-immunosomes include Machlian (innate) and the Commander (acquired).[24] Known pan-immunosomes are Kawasaki Kazusa[25] and the products of the Three Goddesses project.[26] Isomer White and Nytos are immunosomes of unspecified type.
The search for an effective, cheaply produced and easily distributed ELID cure sunk many pharmaceutical companies who tried to synthesize it. Some advocated that ELID cures were only tackling the symptoms of a wider environmental problem,[27] but a variety of cheap fraudulent cures or protective products were sold in the streets of Green Zones.[28] In 2064, Galatea Technology Corporation, backed by Paradeus, attempted to put on the market the Idunn Formulation Type-III, supported by renowned surgeon Lady Gray[29] and ELID treatment specialist Eugene Rugosa.[30]
By 2074, human infection was considered solved and infected fauna was the main danger posed by ELID.[31] During the First Antarctic War, Antarctic Union soldiers received genetic modifications and used radioactive decay barriers meshed into bulletproof vests that enabled them to operate in contaminated areas without special equipment for a short time.[32] URNC soldiers did not have these benefits.[33]
History
ELID has been an ongoing problem during the exploration of relics sites, and spurred the development of the Weight Bearing protection system.[34] In early infection cases, before the 21st century, radiation sickness treatments were applied to no avail due to a lack of understanding of the mechanisms of ELID. This posed considerable problems as relics research ramped up during the Cold War, since infection vectors were unknown and no protection or treatment existed, leading to an estimated 150 000 ELID infections worldwide between the first documented case in 1976 and 1980, with about 10 000 infected. 50 000 new cases had appeared a year later, with a higher percentage of Infected and new mutation forms. High variance in infection conditions and combat data rendered global studies useless. Countries started to create special units dedicated to manage ELID cases, like the Chinese Special Circumstances Armed Police Force, but infection rate of these agents was high. The Relic Arms Limitation Treaty and détente between the Soviet Union and United States permitted Anti-ELID vaccine research to begin in 1983, gradually reducing the number of cases.[15]
By 2023, genetic augmentations were available to boost resistance against ELID.[35] ELID vaccines were never particularly effective, but all research was lost during World War Three and the post-war world returned too quickly to conflict with the 2089 First Antarctic War for ELID vaccines to be rediscovered.[2] Despite this, as early as 2064, severe Collapse Fluid irradiation could be treated as long as the patient had not turned yet, as exemplified by Angelia and the Commander's survival.[7][Note 1] Enough ELIDs existed in the Belgrade region to pose a significant threat to the city once the quarantine walls were breached.[36]
William cultivated massive quantities of Collapse-radiation filled Epiphyllum flowers and created dirty bombs to infect population centers and identify a pan-immunosome he could use for his plans. After finding the semi-immonosome Machlian in Germany, he extracted high quantities of her blood to create an effective ELID cure.[37]
Notes
- ↑ In Continuum Turbulence E3-1, AR AK-12
AK-12 
says that ELIDs have been rare since World War Three. This is disproved by later stories where ELIDs are frequent occurrences.
References
- ↑ The Art of Girls' Frontline Vol.1, Confidential Files, part. 3
- ↑ 2.0 2.1 2.2 Codename: Bakery Girl, chapter 6
- ↑ Girls' Frontline, Singularity, 3-5, Angelia coughs up blood after AR M4A1M4A1
uses a Collapse Fluid bomb
- ↑ 4.0 4.1 4.2 Girls' Frontline, Isomer, Under the Wall II
- ↑ Girls' Frontline, Episode 12-3, the Commander describes the sensation they felt after the Collapse Bomb detonation
- ↑ Girls' Frontline, Continuum Turbulence, 3-5A Sum of All Wraths
- ↑ 7.0 7.1 7.2 7.3 7.4 7.5 Girls' Frontline, Continuum Turbulence, 3-1 ELID-Infected
- ↑ Girls' Frontline, Episode 12-3, an infected girl attacks AR ST AR-15ST AR-15
and M4A1?
- ↑ Girls' Frontline, Mirror Stage, Dreams on the Island of Dia IV
- ↑ Girls' Frontline, Poincaré Recurrence, E1-11
- ↑ Girls' Frontline, Longitudinal Strain, E24
- ↑ Reverse Collapse: Code Name Bakery, Keyword
- ↑ Girls' Frontline, Dual Randomness, Pollinosis II
- ↑ Girls' Frontline, Shattered Connexion, E3-1
- ↑ 15.0 15.1 Codename: Bakery Girl, Secret Document 9
- ↑ Girls' Frontline, Continuum Turbulence, 3-10 White Doll, SMG RO635RO635
uses her megaphone to lure ELIDs
- ↑ 17.0 17.1 17.2 Reverse Collapse: Code Name Bakery, 3-1
- ↑ Girls' Frontline, ELID Infected Armed enemy description
- ↑ Girls' Frontline, BOSS Zombie enemy description
- ↑ Project Neural Cloud, Eager Fist, Dawning Fray Nodes
- ↑ Girls' Frontline, Gray Zone Exploration, “Corpse of a Gigantic Mutated ELID” event
- ↑ Girls' Frontline, Continuum Turbulence, 3-10 White Doll
- ↑ Girls' Frontline, Mirror Stage, Ariadne’s Clew III
- ↑ Girls' Frontline, Mirror Stage, Atropos’ Shears I
- ↑ Reverse Collapse: Code Name Bakery, Worldview “Fully-immune individual”
- ↑ Reverse Collapse: Code Name Bakery, 2-3
- ↑ Girls' Frontline, Mirror Stage, Torricelli’s Trumpet II
- ↑ Girls' Frontline, Mirror Stage, Ship of Theseus I
- ↑ Girls' Frontline, Mirror Stage, Torricelli’s Trumpet I
- ↑ Girls' Frontline, Longitudinal Strain, 35-R3
- ↑ Weibo - E.L.I.D
- ↑ Reverse Collapse: Code Name Bakery, Chapter 2, Act 6
- ↑ Reverse Collapse: Code Name Bakery, Chapter 4, The Rescue
- ↑ The Art of Girls' Frontline Vol.1, Confidential Files, part. 2
- ↑ The Art of Girls' Frontline Vol.1, Confidential Files, part. 4
- ↑ Girls' Frontline, Isomer
- ↑ Girls' Frontline, Mirror Stage, Cretan Labyrinth II
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