What is the difference between China's railway transportation using electricity and the United States using mostly internal combustion engines?
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Big data research: Eryang is mostly a mild condition, reducing the risk of becoming severe by 86%
Source: [People's Daily Health Client]"We conducted a large sample study of global data, and the results showed that compared with the original COVID-19 infection, repeated infection was more likely to be mild cases, and the risk of serious cases was reduced by 86%." On May 17, Liu Jue, a member of the National novel coronavirus Expert Group of the National Health Commission and a researcher in the Department of Epidemiology and Health Statistics of the School of Public Health of Peking University, told the People's Daily Health Client reporter, This study is based on the summary and analysis of global literature...
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