Richard Doty of the Perelman School of Medicine spoke about parosmia, a temporary condition that makes things smell different. “It’s more debilitating in some ways than loss of smell,” he said. “Even water can become unpleasant.”
https://www.washingtonpost.com/lifestyle/wellness/smell-loss-covid-parosmia/2020/11/04/08a24c26-1e05-11eb-b532-05c751cd5dc2_story.html The Washington Post