China News Service, Beijing, February 22 (Reporter Du Yan) From 0:00 to 11:00 on February 22, 4 new local confirmed cases of new coronary pneumonia were added in Beijing, all of whom participated in certain cases in other provinces from February 17 to 20. The staff of the company training course and their families.

  Infected Person 1: Currently lives in Zhiqiang North Park Community, Beitaipingzhuang Street, Haidian District, and works at Building 3, No. 12 B, Chaowai Street, Chaoyang District.

On February 16, the nucleic acid test result was negative. From February 17 to 20, he went on a business trip to another province to participate in a training class of a company. On February 20, the nucleic acid test result in another province was negative. On the same day, he took the Z6 train to return to Beijing.

He reported that he developed sore throat and fever on February 21.

On February 22, the nucleic acid test result was positive, and it was transferred to a designated hospital. Based on the results of epidemiological history, clinical manifestations, laboratory tests, and imaging examinations, a confirmed case was diagnosed on the same day, and the clinical type was mild.

  Infected Person 2: Currently living in Xixiang Community, Beili Beili, Wanwanzhuang, Xicheng District.

The nucleic acid test result on February 16 was negative.

Arrived in other provinces from Beijing on February 17, and attended a company training class with his mother from February 19 to 20 in other provinces. On February 20, the nucleic acid test result in other provinces was negative. On February 20, he took the G530 train to return to Beijing. .

On February 22, the nucleic acid test result was positive, and it was transferred to a designated hospital. Based on the results of epidemiological history, clinical manifestations, laboratory tests, and imaging examinations, a confirmed case was diagnosed on the same day, and the clinical type was mild.

  Infected Person 3: Currently living in Holiday Scenic Community, Lugouqiao Street, Fengtai District.

On February 17, the nucleic acid test result was negative. From February 17 to 20, he went on a business trip to another province to participate in a training class of a company. On February 20, the nucleic acid test result in another province was negative. On February 21, he took the G520 train to return to Beijing.

On February 22, the nucleic acid test result was positive, and it was transferred to a designated hospital. Based on the results of epidemiological history, clinical manifestations, laboratory tests, and imaging examinations, a confirmed case was diagnosed on the same day, and the clinical type was mild.

  Infected Person 4: Currently living in Taoyuanli Community, Donggaodi Street, Fengtai District.

On February 17, the nucleic acid test result was negative. From February 18 to 20, he went to another province for a business trip to participate in a training class of a company. On February 19, the nucleic acid test result in another province was negative. On February 21, he took the Z2 train to return to Beijing.

On February 22, the nucleic acid test result was positive, and it was transferred to a designated hospital. Based on the results of epidemiological history, clinical manifestations, laboratory tests, and imaging examinations, a confirmed case was diagnosed on the same day, and the clinical type was mild.

  At present, epidemiological investigations and close contact tracing have been carried out, and risk points have been investigated, and various risk personnel have been classified and controlled.