Vomiting in "Double Point Museum" is one of the possible negative events in the game. It is very simple to solve the problem of vomiting. Recruit more handymen or complicated robots. First, see if anyone is sick. If you are sick, go to the spring water to treat it. If you are not sick, recruit more handymen.
How to solve vomiting in Double Point Museum
If the old man vomited in Wasteland, I guess several people were sick. Let's go to the hot springs one by one. The disease seems to be not cured by itself.
Recruit more handymen or handy robots. First check if anyone is sick. If you are sick, go to the spring water to treat it. If you are not sick, recruit more handymen and continue to push the main line.