When it hits
From day 18 on the 
Wage Slave's run
No warning comes first.
Starts with Rat Infestation, ends with 
Rodent Problem Subsides.
The same on every run: Student, Warehouse Manager
What comes
No zombies: this crisis is about the weather, sickness or pests, not a siege.
From the game files2
Crisis 116
| id | 116 |
|---|---|
| CrisisID | 116 |
| StartEvent | [40643] |
| EndEvent | [40658,40659] |
| Des | Crisis_Des_116 |
| Des_Local | 鼠患 |
