信息来源：[1]https://www.who.int/zh/emergencies/diseases/novel-coronavirus-2019[2]https://news.163.com/20/0115/18/F2V0HONL0001899O.html[3]http://www.bjnews.com.cn/world/2020/01/24/678973.html网上专家观点信息来源:http://www.caixin.com/2020-01-20/101506222.htmlhttps://www.toutiao.com/a6786562571802509831/https://www.toutiao.com/a6786461828328194567/http://www.caixin.com/2020-01-23/101507670.htmlhttps://www.toutiao.com/a6786616861258678796/https://www.toutiao.com/a6786790587438727691/https://wenhui.whb.cn/third/jinri/202001/24/317112.html?tt_group_id=6785320907377213966http://www.whb.cn/zhuzhan/yiliao/20200128/318202.htmlhttp://www.whb.cn/zhuzhan/yiliao/20200125/317543.htmlhttps://www.toutiao.com/a1656863430892547http://www.eeo.com.cn/2020/0128/375082.shtmlhttps://www.toutiao.com/a6786152737240252942/https://3w.huanqiu.com/a/0c789f/9CaKrnKp5QC?agt=20&tt_group_id=6786837803389944333https://www.toutiao.com/a6786556402392367629/https://www.toutiao.com/a6786927410425102851/https://www.toutiao.com/a6786908881336402443/https://www.toutiao.com/a6785332231427588621/https://www.shobserver.com/toutiao/html/203927.html?tt_group_id=6786572174065926660https://m.gmw.cn/toutiao/2020-01/27/content_123036466.htm?tt_group_id=6786573363276939784https://www.toutiao.com/a6786453282777727492/https://www.toutiao.com/a6786843610844234253/https://m.gmw.cn/toutiao/2020-01/28/content_123038570.htm?tt_group_id=6786852583983022600https://www.toutiao.com/a6786907506015732238/https://www.toutiao.com/a6786812027105968651/https://www.toutiao.com/a6786854304230670861/https://www.toutiao.com/a6784164303546089998/https://www.ixigua.com/i6786905567274205707/https://www.toutiao.com/a6786853386835722765/https://www.toutiao.com/a6786875058632524302/https://www.toutiao.com/a6786643243179180558/https://www.toutiao.com/a6786963038139318796/https://www.toutiao.com/a6784199159839719949/https://www.toutiao.com/a6778018579175440900/https://www.toutiao.com/group/6787375970002141708/https://mp.weixin.qq.com/s/X1s65Ldo7TxUmsQZHB_Zmghttps://www.toutiao.com/a6784999959453237767/https://www.toutiao.com/a6787622331947680263/（赵秋玲，梁晓晖）