The impact on population of disease 疾病对人类社会的影响 o From Zhou and Qin(1046-256 BC)to Ming and Qing Dynasty(1368-1644)in Chinese history, the population fluctuated from 10 to 60 million, it did not reach 100 million till Qianlong Reign(1735-1795)of Qing Dynasty o apart from war and famine the most influential factors for population is the disease epidemicsThe impact on population of disease 疾病对人类社会的影响  From Zhou and Qin (1046-256 BC) to Ming and Qing Dynasty (1368-1644) in Chinese history, the population fluctuated from 10 to 60 million, it did not reach 100 million till Qianlong Reign (1735-1795) of Qing Dynasty  Apart from war and famine the most influential factors for population is the disease epidemics