Or mixed exposure

Novel coronavirus pneumonia novel coronavirus pneumonia prevention and control work in Beijing on June 24th afternoon was held in the 131st press conference. The Beijing Youth Daily reporter learned from the meeting that from June 23rd to 0 o’clock, 7 cases of new crown pneumonia confirmed in the city, and 7 cases from June 11th to June 23rd 24. Beijing has reported 256 confirmed cases. In human mixed exposure mode, cases mainly rely on three ways: active medical treatment, detection from close contacts and nucleic acid screening. The epidemic situation of the exposed population before the closing of the new market has shown a downward trend.
7 new confirmed cases in June 23
Novel coronavirus pneumonia was diagnosed in 7 cases in Beijing from 0 to 24 June 23rd, including 4 males and 3 females, with an average age of 49, with a minimum age of 19 and a maximum of 74 years. According to the residential areas, 6 cases in Fengtai District and 1 cases in Daxing District were found in Pang Xinghuo, deputy director of the CDC. Six confirmed cases have been investigated and one is under investigation.
Pang Xinghuo introduced the specific situation of the case. The deliveryman of the first company confirmed the case as case 6, male, 19 years old, living in Lucheng West Street, Huangcun Town, Daxing District. His working unit is Beijing Tongniu distribution company, deliveryman. On June 11, I went to the underground floor of Xinfadi market for shopping. From June 18 to 21, he visited his parents in bazhuangzi village of Huaxiang (region) every day. During that time, he went to Xiangxiang breakfast and Laotang Ramen for dinner, and shopped in the nearby shops. He had frequent contact with his parents and girlfriend. On June 22, the nucleic acid test was positive. On that day, 120 ambulances were transferred to Daxing District People’s Hospital for treatment. On June 23, the diagnosis was confirmed. The clinical type was common type.
A confirmed case worked in a noodle stewing restaurant in Xinfadi, specifically case 4, male, 52 years old, with the address of Datun village, Lugouqiao Township, Fengtai District. The working unit was the old noodle stewing restaurant in Zhengzhou, southwest of hall a, underground floor of Beishui Jialun market in Xinfadi, and also the operator of Xinfadi market. No work since June 17, isolated at home. At 10 o’clock on June 21, fever and other symptoms appeared. On that day, 120 ambulances were transferred to Fengtai Hospital of integrated traditional Chinese and Western medicine for treatment. On June 22, nucleic acid test was positive, and on June 23, the diagnosis was confirmed. The clinical classification was light.
More than half of 256 cases were screened by three ways
At yesterday’s press conference, Lei Haichao, director of Beijing Municipal Commission of health and health, introduced that since the newly confirmed cases appeared in Japan on June 11, the municipal Party committee and the municipal government attached great importance to it. Professional organizations quickly determined the newly developed beef and mutton comprehensive trading hall as a high-risk point according to the epidemiological investigation results of the first two cases. The municipal Party committee and the municipal government set up a special working group to Fengtai District to dispatch and command in Fengtai District.
According to Lei Haichao, from the perspective of case discovery mode, the current case discovery mode has changed from the original fever outpatient screening to fever outpatient, from the close contacts to the combination of active nucleic acid screening, which plays an important role in early detection, and the effect of the gateway moving forward and early detection is emerging. At present, among 256 confirmed cases, 137 were screened by nucleic acid, accounting for 53%, 81 by active medical treatment, accounting for 32%, 38 by close contacts, accounting for 15%. In the past two days, among 20 cases, 3 cases went to hospital actively, accounting for 15%; 8 cases were close contacts, accounting for 40%; 9 cases were nucleic acid screening, accounting for 45%. The proportion of cases under management has increased significantly.
The epidemic situation of the exposed population before the closing of the new market has shown a downward trend
According to Lei Haichao, the epidemic spread rapidly and a large number of cases appeared in a short period of time. From June 11 to 24:00 on June 23, 256 confirmed cases were reported in Beijing. From the first case to 100 cases, it took only 5 days, while at the beginning of the year, it took 11 days. There were 253 cases (98.8%) clearly related to the new outbreak, and another 3 cases need further investigation.
From the time of diagnosis and onset, 79 cases were confirmed from June 11 to 14, accounting for 30.9% of the total 256 cases; 126 cases were confirmed from June 15 to 19, accounting for 49%; 51 cases were confirmed from June 20 to 23, accounting for 20%. From the time when the cases appeared symptoms, the earliest date of the outbreak was June 4, which increased significantly since June 7, and reached the peak on June 13. The incidence time was mainly from June 9 to 15, accounting for 61% of the total cases. It is suggested that there may be a mixed exposure model of homologous exposure and human to human exposure.
Leihai tide also brought gratifying news, he said, at present, before the closure of the new market in the exposed population epidemic has shown a downward trend. Compared with the confirmed cases reported in the mainland of China as of March 31, 2020, the current epidemic cases in Beijing are relatively high in the common type, and relatively low in the severe and critical cases.
102 medical staff were transferred to the city to take part in the treatment of Hubei
Lei Haichao introduced the treatment situation of patients. The city focused on improving the treatment capacity. At present, all cases are treated in Ditan hospital. The Department of Ditan hospital has concentrated resources and energy on the treatment of confirmed patients. The treatment capacity has reached 1070. The city has actively deployed human resources. 102 medical staff from 18 municipal hospitals have been transferred to Ditan hospital for treatment. Some medical staff have participated in the treatment of Hubei medical team and Xiaotangshan Hospital with rich experience.
In terms of fully treating patients with severe and critical diseases, the city has enriched the strength of the municipal expert group for severe treatment, and has enriched the experts such as Tong Zhaohui, Jiang Li and Liu Qingquan who participated in the anti epidemic work in Wuhan to the expert group for medical treatment. According to the principle of evidence-based medicine, stable and reliable treatment methods should be adopted