China News Service, Beijing, February 13 (Wang Hao) On the 13th, Huang Chun, deputy director of the Epidemic Prevention and Control Office of the Beijing Winter Olympics Organizing Committee, introduced at a press conference that the previous situation of unstable nucleic acid test results for athletes was not a test. As a matter of method, all tests were carried out according to standard procedures.

  Huang Chun said: "The nucleic acid test results may be positive for a while and then negative. In fact, it is the process of intermittent detoxification of the virus itself. Our experts will judge each case every day, as long as it conforms to the prevention and control manual or nucleic acid test adjustment. Some new policies, we will release him from isolation or return to the game in time."

  He said: "The Beijing Winter Olympics is halfway through, and the overall risk of the epidemic is under control. So far, the epidemic prevention has been successful. We must adhere to effective prevention and control measures in the next step, and we must also adhere to the implementation of the prevention and control manual. Epidemic prevention requirements. We have to tighten this string and cannot take it lightly, because the risk of the spread of the epidemic within the closed loop still exists.”