Yú Xīnzhōng 余新忠 (Yu Xinzhong) is a contemporary historian at Nánkāi University specialising in epidemic and social history. His Qīngdài Jiāngnán de wēnyì yǔ shèhuì 清代江南的瘟疫與社會 (Beijing: Rénmín dàxué, 2003) is the standard study of plague and society in Qīng Jiāngnán.