(1) Symptoms of hearing loss are permanent when symptoms of heavy metal poisoning persist. Symptoms of hearing loss persist after treatment (disease icon hides). It will return to normal after logging out and logging in.
https://www.twitch.tv/videos/2269778655?t=01h43m14s

(2) In a port town in the fresh area, there was a piece of trash floating in the air (did not know the name of the town).
https://www.twitch.tv/videos/2269778582?t=01h27m38s