Are you suggesting that Bosch would have had no knowledge, or that outbreaks during his life would have had no influence on his work? He was from a town with a

Are you suggesting that Bosch would have had no knowledge, or that outbreaks during his life would have had no influence on his work? He was from a town with a church dedicated to Saint Anthony, who was associated at the time with ergot poisoning. The paper isn't even suggesting that he consumed ergot (as that would have likely killed him), but that feverish hallucinations of its victims may have influenced his visions of hell.