Dirty and disease in Ice and Steam Age 2 are relatively low-level debuffs in the game, however when they appear it's best to solve them quickly, because an inattentiveness will have more serious consequences, and want Solving dirty and disease can be done by building ventilation towers and hospitals.
How to solve dirty and disease in Ice and Steam Age 2
This debuff of dirt/disease needs to rely on other buildings to eliminate, such as ventilation towers, hospitals. And it must be eliminated, for example, the buff stack is full, the abundance of materials still kills people.
So the elimination and generation of this debuff itself is also a secondary resource.