According to Radio Free Asia, China News Week Magazine reported an article published on Nature on March 20, saying that hidden infections may account for 60 percent of the total novel coronavirus infections. This conclusion was based on an article submitted to medRxiv by the research team led by Wu Tangchun, School of Public Health, Huazhong Science and Technology University.
The article by Wu’s team analyzed the data from Wuhan Health Commissions and built a math model. Based on their model, at least 59 percent of infection cases in Wuhan have not been reported or recorded, including asymptomatic cases and mild cases.
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- Infection Count: Changjiang Daily Reported a Coronavirus Case on a Day That the Government Reported Zero
Excerpt in Chinese:
中国新闻周刊报导，3月20日，国际顶级学术期刊Nature（《自然》）的一篇报道指出，初步研究表明，新冠病毒的隐性病例可能占所有感染病例的60%左右。该结论的主要证据，是华中科技大学公共卫生学院邬堂春团队3月6日在医学论文预印本平台medRxiv网站发布的论文。该篇论文分析了武汉市卫健委法定传染病报告系统中，截至2月18日的25961例实验室确诊新冠肺炎病例数据。在这些数据的基础上，邬堂春团队通过建模分析估计，武汉市至少59%的感染病例是未被发现的，其中可能包括无症状和症状轻微的病例。
Source: Radio Free Asia, March 26, 2020
https://www.rfa.org/mandarin/yataibaodao/huanjing/hcm1-03262020065826.html