Tian Bujue, having heard that an epidemic had broken out in Qingpu County, claimed the lives of over a hundred people in a short period of time, and knowing that Qingpu County was too close to Beian City, didn't dare delay and quickly went to see Hua Yan.
Hua Yan asked An Shiliu to describe the epidemic to her.
An Shiliu immediately described the situation he had learned about to Tian Bujue.
After listening, Tian Bujue's face grew solemn as he said, "According to what I know from ancient texts, there is a type of plague called 'white pustules.' This plague originates from corpses that have been soaked by floodwaters and improperly handled, leading to the breeding of corpse insects. These insects, after being preserved in a specific environment for three months, will produce a type of fungus. Once this fungus is touched by living people, it will spread into a plague where the entire body develops blisters that fester until death."
