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1 All-Out War on COVID-19rnThe year 2020 will go down in history as the novel coronavirus disease (COVID-19) year, with the first case reported in Wuhan, Hubei Province in central China.rnOutbound traffic from Wuhan was shut down on January 23 and top-level public health emergency responses were activated across the country. Resources, including more than 42,000 medical workers, were mobilized from other areas to assist Hubei.