"Rodent Flu" is a mission in Westward IV : All Aboard . You need to find the source of all the rodents in the town , while maintaining at least 2 population . You also need to gather all the cheese into the canyon to attract the rats to a place outside the town .
- There is a sidequest in which you must defeat a huge rat , and recover a golden necklace . You receive a ranch as a reward .
- In this mission , your citizens can actually get sick . Their faces become green , and they have different phares , like : "I wouldn't touch me if I were you" or "I think I have a severe case of the yucks" .