A Nosocomial COVID-19 Outbreak Initiated by an Infected Dockworker at Qingdao City Port — Shandong Province, China, October, 2020

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Health Commission of Shandong Province. Shandong Province has completed an investigation of the source of the outbreak in Qingdao City. http://wsjkw.shandong.gov.cn/ztzl/rdzt/qlzhfkgz/tzgg/202010/t20201016_3416298.html. [2020-10-20]. (In Chinese). http://wsjkw.shandong.gov.cn/ztzl/rdzt/qlzhfkgz/tzgg/202010/t20201016_3416298.html