Surging news noted that before the official diagnosis of the case in Shizuishan City, four nucleic acid tests on January 27, 28 and 30 were negative, and the fifth nucleic acid test in Ningxia CDC on February 3 was positive.
From 0:00 to 24:00 on February 3, Shizuishan City reported one confirmed case of pneumonia infected with new coronavirus, including one case in Dawukou District. One suspected case.
The first confirmed case is: Qi Mou, male, 51 years old, now living in Dawukou District, a local resident. On January 12, 2020, the patient went on a business trip from Dawukou District to Wuhan, and returned to Dawukou on January 16. On January 26, he went to the fever clinic of the Fifth Peoples Hospital of the autonomous region for treatment and isolation treatment. On January 27, 28 and 30, the new coronavirus nucleic acid of Shizuishan CDC was negative. On January 30, the nucleic acid test of the center for Disease Control of the autonomous region was negative. On January 31, the Fifth Peoples Hospital of the autonomous region was transferred to the Fourth Peoples Hospital of the autonomous region for treatment. On February 3, the nucleic acid test of the center for Disease Control and prevention of the autonomous region was positive, which was confirmed as a confirmed case by the evaluation of the diagnosis and treatment expert group of the autonomous region.
Before that, Tianjin and other places also had a number of confirmed cases with negative nucleic acid test before turning positive, which attracted public attention. In response, Li Xingwang, a member of the national medical expert group and chief expert of the infectious diseases diagnosis and research center of Beijing Ditan Hospital, said at the press conference of the national health and Health Commission held on the afternoon of February 4 that from the current information, the sensitivity and specificity of nucleic acid detection method are better, but there are also many influencing factors, such as the degree and time of standardization of samples Laboratory testing methods, etc.
Four new confirmed cases of pneumonia in Tianjin
The 60th patient, male, 61 years old, lives in Yangliuqing town, Tianjin, and is the family member of the first confirmed case. The patient went to Wuhan for a tour with his wife on January 5. On January 25, he developed fever and was negative in two nucleic acid tests. The fever occurred again on January 31. From February 1 to 2, the third and fourth nucleic acid tests were negative. Two chest radiographs showed the progress of the disease, and CT showed the manifestation of double lung viral pneumonia. Because of high suspicion, on February 3, the nucleic acid test was positive again, and then the 60th case in our city was confirmed by the municipal expert group, which was a common type.
This patient is very special and has no symptoms of fever and cough. It is a very insidious case. Professor Zeng weiqiong said that the confirmed case also provides a good reference sample for the prevention and control of the epidemic in the southeast of Chongqing and winning the prevention and control of the epidemic.