Unique Abilities are abilities that are special to a certain plague type.
List and summaries of unique abilities
Bacteria
Bacterial Resilience hardens the bacterial shell of a plague, increasing resistance to climates.
Virus
Viral Instability increases the chance a plague mutating symptoms.
Fungus
The Spore Burst ability trees lets the player spontaneously infect countries with spore eruptions. Spore Burst infects one country, Spore Eruption five, and Spore Hardening infects countries indefinitely.
Parasite
Symbiosis allows a plague not be noticed. At its highest level, symptoms such as Skin Lesions and Fever will go unnoticed, and Total Organ Failure will be regarded as a 'minor disease' briefly
Prion
Neural Atrophy allows a plague to manipulate the brain to make complex work extremely hard. Infected scientists are set back very far with this ability.
Nano-Virus
The unique abilities for Nano-Virus include hacking the Cure Broadcast, overloading replicator factories, among other effects. When both trees are evolved, the Kill Switch Stasis becomes available.
Tree 1
Tree 2
Bio-Weapon
These unique abilities unlock, deactivate, or prevent lethal genes from evolving overtime. When all three trees are evolved, the Unlock Annihilate gene is unlocked, which "unleashes armageddon unto the world."
Tree 1
Tree 2
Tree 3
Necroa Virus
Neurax Worm
Simian Flu
Scenarios
Many real-life disease scenarios have unique abilities: Nipah Virus, Smallpox, Frozen Virus, Black Death, and Swine Flu.