Planet Zoo 2 · Research · Disease
Disease Research
Research for every disease: three levels of immunity for all species that can catch it.
52
diseases
3
levels
+25%
per level
+75%
immunity
Levels and unlocks
Topics
52
Levels per disease
3
Immunity per level
+25%, +50%, +75%
Each level raises the immunity of every species that can catch the disease, by 25%, 50% and then 75%, and lowers its lethality.
52 entries