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100 orthopaedic surgeons from 50 countries dealing with one COVID-19. A pneumonia of unknown cause detected in Wuhan, China was first reported to the WHO Country Office in China on December 31, 2019.The outbreak was declared a Public Health Emergency of International Concern on January 30, 2020.On February 11, 2020, WHO announced a name for the new coronavirus disease: COVID-19.
