China News Service, April 25, according to the Hainan Provincial Health and Welfare Committee WeChat public account, the Hainan Province New Coronary Pneumonia Epidemic Prevention and Control Headquarters announced on the 25th that Qionghai City reported a case of asymptomatic infection of new coronary pneumonia. The infected person, Li Moumou, female, 63 years old, was the mother-in-law of the asymptomatic infected person Zhangmou in Wuhan notified on April 23. As a close contact with Zhang Mou, the Provincial Center for Disease Control and Prevention tested its specimens and showed that the nucleic acid of the new coronavirus was positive on the 25th, and it was an asymptomatic infection of new coronary pneumonia.

  Li Moumou came to Qionghai from Yongzhou, Hunan Province on December 17, 2019 and lived in Jingboyaju, Qionghai City. During this period, he moved around the community and rarely went out. On January 8, his mother-in-law, grandmother, and grandson came to Qionghai from Wuhan. On January 17, the daughter-in-law came to Qionghai from Wuhan, and usually lived separately from her son, daughter-in-law, and grandson's family. During the Spring Festival, I had contacted relatives from Wuhan to Qiong. On January 15th, Li Moumou had a fever and went to Qionghai People's Hospital for isolation treatment on January 23rd. On January 26th and January 27th, the new nucleic acid test for new coronary pneumonia was negative, and he was transferred to the hospital on the morning of January 28th. General hospitalization, discharged on February 1st.

  Li Moumou has been living in the community since he was discharged and rarely went out. He and his husband went to Dongfeng Road Construction Bank for business on April 6 (they did not enter the business hall). On April 20, it was 9-10 o'clock and on 22nd, 10-11 o'clock. Shopping on the first floor of the Guangbaijia supermarket, other times only activities and walks in the neighborhood, wearing self-prosecution masks, did not go to dense or heavy public places. On April 22, as a close contact of Zhang Mou, he was isolated and transferred to a designated hospital for isolation and observation on the 23rd.

  As a close contact with Zhang, Li Moumou was sampled on April 22 and was negative for nucleic acid, negative for new crown antibody IgM and positive for IgG; and sampled for positive for nucleic acid in throat swab on April 23. The pharyngeal and anal swabs and blood samples were collected again at 23:00 on April 23rd. The test results were positive for IgG, and the pharyngeal and anal swabs were negative. The Provincial Center for Disease Control and Prevention conducted a review of the N-yang specimen collected in the afternoon of the 23rd in Qionghai City, and reported that the results of the two reviews were positive for pharyngeal swabs on the 25th. The Provincial Center for Disease Control and Prevention collected specimens again for testing on the 24th, and the test results were negative for nucleic acids on the 25th.

  There were 5 close contacts of Li Moumou, among them, his daughter-in-law Zhang Mou returned to Wuhan on April 17, and the physical examination showed that the new coronavirus nucleic acid was positive, which was an asymptomatic infection of new coronary pneumonia, and the other close contacts were negative for the new crown virus nucleic acid test. . The 344 people in the residential area and the shops in the community have tested all the nucleic acids, and all showed negative results. During the hospitalization, a total of 33 contacts were negative for all nucleic acids.

  Expert analysis believes that according to epidemiological investigation, Li Moumou's clinical manifestations and laboratory testing, his April 22 and 23 sampling results were positive for IgG antibodies, confirming that Li Mou was infected with the new crown virus, making his daughter-in-law Zhang Mou Infect during daily contact.

  Qionghai City has carried out terminal disinfection of Li Moumou's residence, Jiajiji Xingyuan supermarket and other epidemic sites, and has closed control of its residential area.