China News Service, Zhuhai, May 16 (Cai Minjie and Zhang Jinju) Xu Yingchun, director of the National Center for Mycosis Surveillance Network of the National Health Commission and director of the Laboratory of Peking Union Medical College Hospital, said in an interview recently in Zhuhai, Guangdong that there is no direct evidence yet. It is proved that the emerging new crown variant strains will affect the existing new crown detection methods, but this phenomenon is worthy of attention.

  Under the normalization of the epidemic situation, how to quickly distinguish the new coronavirus from other respiratory pathogens and realize early diversion management?

In the post-epidemic era, how to achieve rapid identification and testing of common respiratory pathogens at the grassroots level?

The "2021 Chinese Medical Doctor Association Annual Meeting of Laboratory Doctors and the 16th National Laboratory and Clinical Academic Conference" was recently held in Zhuhai, Guangdong. The meeting focused on the significance of joint testing for grassroots prevention and control in the post-epidemic era.

  "For the new coronavirus, nucleic acid diagnostic technology is very important, but this technology alone is not enough. At different stages of virus infection, the detection methods are different. In the early diagnosis, the sensitivity of nucleic acid and antigen detection is Relatively high, in the later stage of infection, the effect of antibody detection is obvious."

Xu Yingchun said.

  Xu Yingchun believes that as far as infectious diseases are concerned, it is important to identify patients and quickly triage them in order to stop the rapid spread of the virus.

To achieve this, “the more detection tools, the better, the coexistence of nucleic acid, antibody, and antigen “three swordsmen” is very important. For viruses that cause public health incidents and can spread quickly, different tools are needed to achieve early identification. "Different detection methods are used in different scenarios, which is very important, and it is also an important basis for clinicians to diagnose early.

  "Compared with the SARS outbreak in 2003, it has gone through a long period of exploration. In recent years, domestic detection technology has advanced rapidly. The development of the new crown epidemic shows that our detection and research and development capabilities are no less than the international level." Xu Yingchun said, Including fluorescent quantitative PCR kits and nucleic acid isothermal amplification technologies. These development capabilities are still well done in China, and they can even go to the international market. "From case detection to diagnosis to kits, in fact, I think domestic and international There is no particularly big gap in ability."

  During the prevention and control of the new crown epidemic, grassroots prevention and control played an important role. In the prevention and control of respiratory infectious diseases, grassroots prevention and control are also indispensable.

In grassroots public health screening, rapid identification and rapid triage management are an important part of achieving "early detection, early reporting, early isolation, and early treatment".

Xu Yingchun said that the integration of production, education, research and application is the layout trend of future prevention, control and testing.

  "We all hope that the new crown will disappear soon, but the future is unpredictable. Even if the new crown disappears, there are actually many other respiratory pathogens, such as influenza A and B, adenovirus, etc." Xu Yingchun said, various constructions during the new crown epidemic The detection platform can also be used in the detection and diagnosis of other respiratory diseases in the future.

  On the booth of this conference, many companies displayed products related to COVID-19.

Among them, Guangzhou Wanfu Biotechnology Co., Ltd., an on-site rapid testing company, exhibited nine technology platforms including immune colloidal gold, dry biochemistry, molecular diagnostics, etc., in order to meet the needs of joint testing.

  Tao Hui, deputy general manager of domestic marketing of the company, said that in order to help the development of primary medical capacity building, the company provides multi-scenario solutions such as respiratory infectious diseases and primary medical care. Among them, the respiratory infectious disease solution can provide rapid detection of respiratory infectious diseases, multiple The overall plan for the whole process of respiratory infection detection and new crown detection, and the results can be obtained as soon as 15 minutes.

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