 Schäffer is the only mycologist of modern times known to have died from consuming poisonous mushrooms, in this case, "Paxillus involutus".About an hour after he and his wife ate a meal prepared with the mushrooms, Schäffer developed vomiting, diarrhea, and fever.His condition worsened to the point where he was admitted to hospital the following day, and subsequently developed renal failure, perishing after 17 days.