China News Service, January 23. According to the website of the Shenzhen Health Commission, on January 23, during routine health monitoring of service security personnel entering quarantine hotels in Longhua District, Shenzhen, one case of COVID-19 positive nucleic acid was found:

  Zhao, male, 34 years old, immigration personnel isolated hotel staff.

On January 16 and January 19, Zhao's two nucleic acid tests were negative.

  After review by the Shenzhen Centers for Disease Control and Prevention, the nucleic acid test result was also positive, and the expert team determined that he was an asymptomatic person with new coronary pneumonia.

Zhao has now been transferred to the emergency ward of Shenzhen Third People's Hospital for observation and treatment, and his condition is stable.

  Zhao's hotel checked into a group of South African tourists on January 14, and two of them were diagnosed as asymptomatic infections during the test on January 21.

  After receiving the report, the New Crown Pneumonia Prevention and Control Headquarters in Longhua District, Shenzhen immediately activated the emergency response mechanism for the new crown pneumonia epidemic, organized a comprehensive and detailed epidemiological investigation, and initially identified 24 close contacts of Zhao.

The Center for Disease Control and Prevention of Longhua District has strictly eliminated the premises.