Beijing News (Reporter Li Yukun's intern Xie Yanbing Fu Zhonghang) As of July 11, Beijing has no new local confirmed cases for 6 consecutive days. Since the cluster epidemic occurred on June 11 in Beijing, Beijing has reported a total of 335 local confirmed cases, including 29 cluster epidemics, involving more than 100 confirmed cases and asymptomatic infections.
At the Beijing New Crown Prevention and Control Press Conference on July 8, Pang Xinghuo, deputy director of the Beijing Center for Disease Control and Prevention, introduced that as of July 24 at 24:00, 29 epidemic outbreaks have occurred after the outbreak in the new market in Beijing. Involves 127 confirmed cases and asymptomatic infections.
Among them, there were 13 outbreaks of 36 people in family gatherings; 2 outbreaks of 4 people in public places; 8 outbreaks of 29 people in unit gatherings, mainly Liji Sichuan cuisine in Xichen Square, Beijing Honghua Dawan Bowl Catering Co., Ltd., Beishuijia Catering units such as the old Zhengzhou Braised Noodles Restaurant in Lun Market gathered infectious diseases. In addition, there were 6 mixed epidemic outbreaks involving 2 or more places, including units, families, public places, and markets, and 58 people, such as the outbreak of No. 1 Ciwei Road, Suncun Township, Daxing District, and the outbreak of all restaurants, etc. Internally, it causes cases to gather, and it also causes transmission within the family.
According to official announcements and existing news reports, reporters have restored some of the clustered epidemic transmission routes.
Family gathering outbreak
The youngest patient and his parents and grandmother have been diagnosed successively
On July 10, at the 147th regular press conference of the Beijing New Coronary Pneumonia Epidemic Prevention and Control, Pang Xinghuo, deputy director of the Beijing Center for Disease Control and Prevention, introduced two special cases in the outbreak-the oldest and The youngest, at the same time, these two cases are also cases of family epidemic.
Case 1, female, 86 years old, is the oldest patient in this outbreak. Because of diseases such as high blood pressure and ureteral stones, he stayed in bed for a long time and could not take care of himself. He was taken care of by his daughter and had no contact with other people. The patient's daughter was a confirmed case on June 18. After fever, throat discomfort and other symptoms appeared on June 14, she took medication without medical treatment and took care of her mother with illness, causing the virus to spread in the family.
Case 2, female, 1 year and 7 months, is the youngest patient in this outbreak. The children live with their parents and grandmother on weekdays and are usually taken care of by their father. The mother of the child is a self-employed in Xinfadi Market, and her father took her to Xinfadi Market to deliver food to her mother without wearing a mask. On June 15th, the child developed symptoms such as mild diarrhea. Self-medication, no report, and no timely medical treatment. From June 20th, the child, his parents, and grandmother were diagnosed successively.
In addition to the pictures shown, there are several family-associated epidemics:
The case was diagnosed on June 20, female, 55 years old, and daughter diagnosed on the 20th.
The case was diagnosed on June 25, female, 40 years old. On May 27, the patient's husband went to the Xinfa market to purchase.
The case was diagnosed on June 27, female, 25 years old, living in the operator’s paradise, and caring for the children at home everyday. The two family members living together are both confirmed cases.
The case was diagnosed on June 28, male, 33 years old. There were confirmed cases in the house of the parents-in-law, and the 3-year-old daughter was a close contact.
Diagnosed case on June 28, female, 25 years old, tutoring in Huangcun, Daxing District in the past year. The parents are self-employed in the new market and live with their parents. They are close contacts of confirmed cases.
Diagnosed case on July 2nd, female, 32 years old, online shop operator, stayed at home from June 14th to June 21st, and on June 22nd, both the patient and her 2-year-old daughter were identified as close contacts of the confirmed case By.
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Unit gathering epidemic
All 7 people in a restaurant were diagnosed
At a news conference on the prevention and control of the new crown epidemic in Beijing on June 18, Pang Xinghuo introduced an epidemic of unit gathering.
A restaurant has 7 employees, 2 of whom are chefs, 1 is a purchaser and chef, 1 is a side dish and a receiver, and 3 are waiters. The daily activity range of 7 people is fixed, working in the restaurant from 9 to 22 every day, and staying and resting in the same residence for the rest of the time. One of the men is 37 years old, from Chongqing, and is the buyer and chef of the restaurant. He is responsible for making purchases in the Xinfadi market. The remaining 6 people have not been to the Xinfadi market, but they are from the Xinfadi market. Items are in close contact.
On June 13, a man developed symptoms such as diarrhea. On the 14th, he was transferred to the Tiantan Hospital by an ambulance on the 14th. The New Coronavirus nucleic acid test was positive. Based on the patient’s epidemiological history, lung imaging, and blood tests, the diagnosis was confirmed on the 15th. Cases. As of June 17, all 7 employees of a man’s restaurant were diagnosed with confirmed cases. The 7 cases involved in the epidemic not only work in the same place, but also live in the same residence. The daily contact is frequent. A mass epidemic caused by contact with people who have visited the new market and items purchased from the market.
On July 9, Liu Xiaofeng, deputy director of the Beijing Center for Disease Control and Prevention, notified the details of two clustered epidemic situations, one of which was a case of infection in the same unit of staff and dormitory personnel.
Case 1 Lu Moumou, a buyer of a construction group's project in Beijing, often purchases in the Xinfadi market. On the afternoon of June 12, he felt weak and did not take medicine. On June 13th, according to the requirements of the unit for self-isolation of personnel who had visited the Xinfadi market, they were isolated in the dormitory, and their body temperature was 37.3°C. Then they went to the Mentougou District Hospital for nucleic acid testing. The result was positive and was sent on June 14th. Go to hospital for isolation treatment. On the same day, the CDC carried out nucleic acid testing and health screening on the staff of the unit where Case 1 was found, and found that Case 2 of the dormitory's cohabitant lived in a positive nucleic acid test, and immediately sent him to the hospital for isolation treatment. Case 2 reported that he had not been out of Beijing 14 days before the onset of the disease, denied having visited the Xinfadi market, and denied the history of contact with raw beef, mutton, and seafood. Except for not wearing a mask in the dormitory, he wore a disposable mask at the door of the dormitory. It has been living in the same dormitory as Case 1 since mid-April until moving to other dormitory on the evening of June 12. Analysts believe that this gathering epidemic was caused by the purchaser Lu Moumou who was infected with the new coronavirus in the new market and caused a secondary spread, which led to the illness in the same dormitory.
In addition, the China Meat Comprehensive Research Center, Beijing Laoyang Specialty Grill, and Dinghui Xie Xiaochu Restaurant in Haidian District have all experienced unit-gathering epidemics.
Mixed cluster epidemic
The epidemic of No. 1 Ciwei Road spread to families
On July 9, Liu Xiaofeng notified the details of another clustered epidemic, which was the case of No. 1 Ciwei Road, Suncun Township, Daxing District.
From June 17 to 22, 13 employees and 3 family members of a company at No. 1 Ciwei Road, Huangcun Town, Daxing District were diagnosed with confirmed cases or asymptomatic infections. The first case, a 49-year-old female employee of the company's workshop, visited the Xinfadi Market with her daughter on June 7th, and developed fever with cough and sputum on June 13th. She went to Daxing District People's Hospital The nucleic acid test was positive on June 16, and the diagnosis was confirmed on June 17. Case 2, a 39-year-old female employee of the company's workshop, went to the Xinfa market on June 3 to purchase. She developed symptoms on June 14 and had a positive nucleic acid test. The diagnosis was confirmed on June 15. Of the company's 13 patients, only the above-mentioned 2 patients have visited the Xinfadi market, and the rest of the patients may work in the same workshop or have close contact with them. During the investigation, it was found that the work shop was relatively densely populated, with no windows and few vents. All production lines and departments shared the entrance and exit channels, boiled water rooms, dressing rooms, and toilets. There is also the act of employees not wearing masks in areas such as dressing rooms. After the outbreak, the company ceased production on June 15. Among the 13 patients mentioned above, 2 patients transmitted the virus to family members again. The analysis determined that the epidemic was a comprehensive gathering epidemic related to the new market.
The epidemic situation in all restaurants is a mixed type epidemic situation.
The all-you-can-eat restaurant is located in the Beilun Jialun Market in Xinfadi. On June 18, 8 employees from all over the restaurant were diagnosed, of which case 2 was a restaurant buyer who regularly purchased from the new market. According to the report, the restaurant is located near the chilled seafood market in Xinfadi, and most of the diners are the operators of the nearby chilled seafood market. Based on the comprehensive epidemiological investigation, consider a cluster epidemic that is associated with the emerging market.
Cluster epidemic in public places
A public toilet sample was positive for nucleic acid, and 2 toilet personnel were diagnosed successively
Up to now, there have been 2 outbreaks of 4 people in public places.
On July 11, Pang Xinghuo introduced a cluster epidemic caused by confirmed cases contaminating the public environment of the residence and coming into contact with each other.
The first case, a 57-year-old male, is a self-employed person who buys goods daily in the Xinfadi market. He lives in a community building on Yongding Road in Haidian District. He suffered from chills and other symptoms on the evening of June 10. Before diagnosis, there were neighbors on the same floor. , And no masks were worn. The patient was transferred to Haidian Hospital by 120 ambulance on June 13 and was diagnosed on June 14. After the first case was diagnosed, another 5 residents in the building were successively diagnosed, and another 2 foreigners who had gone to the toilet in the building were successively diagnosed. Three of the eight confirmed cases described above spread the virus to five family members. So far, 13 people have been diagnosed in the cluster epidemic.
The investigation of disease control personnel found that the building has 5 floors and more than 20 households per floor. The first case lived on the 3rd floor, 3 cases lived on the 2nd floor, 2 cases lived on the 5th floor, and 2 outsiders visited the 3rd floor. toilet. The investigation found that each household set up a simple stove in the corridor, and the water chambers and toilets on each floor were for public use; there was a phenomenon of residents crossing doors without wearing masks. The Municipal Center for Disease Control collected and tested environmental samples of the building and found that the environmental samples of public toilets were positive for nucleic acids. Based on the comprehensive case epidemiological history and environmental investigation results, the outbreak was determined to be a comprehensive cluster of outbreaks related to the new market. There were both infections caused by contact between people and infections caused by the toilet environment.
Pang Xinghuo reminded that the polluted public environment may become a vector for disease transmission. During the epidemic situation or when there is a risk of spreading infectious diseases, we must pay attention to the cleaning and disinfection of the public environment and increase the frequency. Don’t huddle and chat, reduce your visits, and wash your hands when you get home; once you feel unwell, you should take the initiative to standardize medical treatment, and take effective protection and isolation measures to avoid spreading the disease to others.
Beijing News reporter Li Yukun
Intern Xie Yanbing Fu Zhongxing