User blog comment:GeneralOwnage55/What is your idea for a new plasmid?/@comment-174.108.20.206-20131107160529

An infection plasmid. Level 1 infect an enemy(coughing, vomiting, etc) Level 2 infection becomes contagious infecting a group of enemies, Level 3 infects a larger group of enemies. Note: Once infected, the enemy slowly dies.