China News Service, Tianjin, January 21 (Reporter Zhang Daozheng) The reporter learned from the Tianjin Epidemic Prevention and Control Headquarters on the evening of the 21st that the basic information of the 321-340th positive cases was announced.

At present, the 20 cases of positive infection have been transferred to the city's designated hospitals for further diagnosis and treatment.

Epidemiological investigations, screening and control of persons involved in the epidemic, and collection of environmental samples are being intensively carried out.

The relevant investigation report is as follows:

  Positive infected person 321, female, 36 years old, from Xinzhuang Town, Jinnan District, Tianjin City, was screened at a centralized isolation point and found that a throat swab was collected on January 16, and the result was positive after testing by the testing center.

  Positive infected person 322, male, 30 years old, from Xianshuigu Town, Jinnan District, Tianjin City, was screened at a centralized isolation point and found that a throat swab was collected on January 16, and the result was positive after testing by the testing center.

  Positive infected person 323, male, 76 years old, from Xinzhuang Town, Jinnan District, Tianjin City, was screened at a centralized isolation point and found that a throat swab was collected on January 16, and the result was positive after testing by the testing center.

  Positive infected person 324, male, 36 years old, from Xianshuigu Town, Jinnan District, Tianjin City, was screened at a centralized isolation point and found that a throat swab was collected on January 17, and the result was positive after testing by the testing center.

  Positive infected person 325, male, 8 years old, from Xinzhuang Town, Jinnan District, Tianjin City, student of Gaozhuangzi Primary School, was screened at a centralized isolation point and found that a throat swab was collected on January 16, and the result was positive after testing by the testing center.

  Positive infected person 326, female, 36 years old, from Xinzhuang Town, Jinnan District, Tianjin City, was screened at a centralized isolation point and found that a throat swab was collected on January 17, and the result was positive after testing by the testing center.

  Positive infected person 327, male, 36 years old, from Xinzhuang Town, Jinnan District, Tianjin City, was screened at a centralized isolation point and found that a throat swab was collected on January 17, and the result was positive after testing by the testing center.

  Positive infected person 328, female, 66 years old, from Xinzhuang Town, Jinnan District, Tianjin City, was screened at a centralized isolation point and found that a throat swab was collected on January 17, and the result was positive after testing by the testing center.

  Positive infected person 329, female, 11 years old, from Xinzhuang Town, Jinnan District, Tianjin City, student of Gaozhuangzi Primary School, was screened at a centralized isolation point and found that a throat swab was collected on January 17, and the result was positive after testing by the testing center.

  330 positive infected persons, female, 42 years old, from Xinzhuang Town, Jinnan District, Tianjin City, were screened at a centralized isolation point and found that a throat swab was collected on January 17 and tested by the testing center, and the result was positive.

  阳性感染者331,男,47岁,天津市津南区双港镇人,系集中隔离点筛查发现,1月17日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者332,男,57岁,天津市津南区双港镇人,系集中隔离点筛查发现,1月17日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者333,男,53岁,天津市津南区双港镇人,系集中隔离点筛查发现,1月17日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者334,女,29岁,天津市津南区咸水沽镇人,系集中隔离点筛查发现,1月17日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者335,女,56岁,天津市津南区辛庄镇人,系封控区筛查发现,1月17日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者336,女,11岁,天津市津南区辛庄镇人,高庄子小学学生,系集中隔离点筛查发现,1月17日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者337,女,72岁,天津市津南区辛庄镇人,系集中隔离点筛查发现,1月18日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者338,女,71岁,天津市津南区咸水沽镇人,系集中隔离点筛查发现,1月18日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者339,女,35岁,天津市西青区大寺镇人,系集中隔离点筛查发现,1月18日采集咽拭子,经检测中心检测,结果呈阳性。

  阳性感染者340,男,1岁,天津市津南区辛庄镇人,系集中隔离点筛查发现,1月18日采集咽拭子,经检测中心检测,结果呈阳性。(完)