Here's google translate: "We organized more than a dozen hospitals in Beijing, Guangdong and Hunan provinces to jointly evaluate the safety and effectiveness of chloroquine phosphate in the treatment of new coronary pneumonia. In the clinic, we are very sure to see the curative effect, whether it is from the rate of exacerbation, antipyretic phenomenon or the image improvement time of the lungs, the negative time and negative rate of viral nucleic acid, and the shortening of the disease course, and a series of indicators, systematically Based on comprehensive research, the medication group was better than the control group. For example, a patient in Beijing was admitted to the hospital on the 4th day of the onset of disease at the age of 54. One week after taking the medicine, the nucleic acid turned negative, and all the indicators improved, meeting the criteria for release and isolation."
"Audio transcript of the news briefing held by the State Council of China on February 17, 2020. The National Health Commission of the People's Republic of China. http://www.nhc.gov.cn/xcs/yqfkdt/202002/f12a62d10c2a48c6895c... (accessed February 18, 2020). (in Chinese)"
Third reference in https://www.jstage.jst.go.jp/article/bst/advpub/0/advpub_202...