"The combines took this fungus and rewrote it to serve their proposes"
-an unknown allied soldier when they discovered an abandoned Imperial Research Group 975 base on Lo'kini Earth in 1752 NE
The Cordyceps Brain Infection (abbreviated as CBI) is a parasitic fungus that has devastated the Human species on Lo'kini Earth. it's later been discovered that the Empire of the Combine Race's Imperial Research Group 975 took an fungus native on Lo'kini Earth and rewrote it be a biological weapon to be used by the Combines during the First War.
Combine's reengineering Edit
for more info, see Project Fogged Mind