Home » The traceability results of new cases in Beijing on the 15th announced that they are highly similar to the North American and Singapore strains | New Coronary Pneumonia | Beijing | Singapore_Sina News

The traceability results of new cases in Beijing on the 15th announced that they are highly similar to the North American and Singapore strains | New Coronary Pneumonia | Beijing | Singapore_Sina News

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Original title: Beijing’s new case traceability results announced on the 15th are highly similar to North American and Singapore strains

This morning, Beijing held the 267th press conference on the prevention and control of the new crown pneumonia epidemic. At the press conference, Pang Xinghuo, deputy director of the Beijing Center for Disease Control and Prevention, informed that on January 15, Beijing reported a confirmed case of local new coronary pneumonia. So far, there have been no new local cases. After further epidemiological investigation and comprehensive risk point investigation, sampling test, positive cargo investigation and gene sequencing, the traceability situation has made progress.

  One isThere was no history of travel and residence in other provinces and cities within 14 days before the onset of the case, and he occasionally sent and received international emails during work. The case developed symptoms of itchy throat on January 13, fatigue and fever on January 14, and no typical manifestations of new coronary pneumonia were found on lung CT on January 15. The nucleic acid of the case specimens on January 14, 15, and 16 was combined. Changes in CT values ​​were detected, combined with clinical manifestations and test results, to preliminarily judge that the case was in the early stage of infection.

  two isAfter epidemiological investigation and big data comparison, through the investigation of the contact history of cases and various risk groups, including inbound personnel, personnel from risk areas outside Beijing, cases and close contacts, no overlapping trajectories were found.

  The third isA total of 18 public risk points were screened by checking the activity trajectories of the cases in the 14 days before the onset of the disease, and the sources of infection, close contacts, and high-risk groups were simultaneously screened according to the risk points.So far, 69 close contacts have been identified, have been placed under control, nucleic acid test resultsboth negative. A total of 16,547 specimens of persons with various risks were collected. Up to now, the specimens of the people who lived and worked with the case were all negative; the specimens of other types of risk persons were all negative; a total of 811 samples were taken from the external environment. Environmental specimens outside the site were all negative.

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  Four isThe cold chain contact history of the cases was investigated, and the relevant cold chain test results were all negative.

  five isThe case self-reported that he had recently sent and received international mail. We conducted a comprehensive investigation, sampling and testing for this. The international mail was sent from Canada on January 7 and arrived in Beijing via the United States and Hong Kong, China, and the case received the mail on January 11. The case reported that during this period, it only touched the outer surface of the mail package and the front page of the document paper, and did not touch the inner surface of the package and other papers. 22 environmental samples of the international mail have been collected, including 2 on the outer surface of the package, 2 on the inner surface and 8 on the paper inside the document. The nucleic acid test was positive, and the specific mutation site of the Omicron variant was detected. . Up to now, there are 8 people who may have been in contact with them during transportation. Except for the case, the nucleic acid test results of the other contacts are all negative. In addition, 54 environmental samples of international mails from the same source and sent to another location that have not been opened were collected, and 5 were found to be positive, including 1 positive for the outer packaging and 4 positive for the paper in the document.

  Six isThe laboratory of the Municipal Center for Disease Control and Prevention conducted whole-genome sequencing on the case specimens. Gene sequence analysis showed that the virus belongs to the VOC/Omicron variant strain (BA.1 evolutionary branch). There are differences with the previous cases in Beijing and the Omicron variant strains reported by domestic and foreign provinces (cities) recently, and they do not belong to the same transmission chain; they are highly similar to some strains isolated in North America and Singapore in December 2021.

To sum up, combined with the epidemiological history of the case, the test results of suspicious items, and the gene sequencing results of the case specimens, the possibility of contracting the virus through foreign items cannot be ruled out.

(Headquarters reporter Ji Lele and Fu Hailiang)

  Briefing points

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  Beijing: The cold chain test results related to the Haidian cases are all negative

On January 17, at the 267th press conference on the prevention and control of the novel coronavirus pneumonia in Beijing, Pang Xinghuo, deputy director of the Municipal Center for Disease Control and Prevention and a member of the national expert group on novel coronavirus pneumonia, reported the confirmed cases of novel coronavirus pneumonia in Haidian District of the city. traceability.

The cold chain contact history of the cases was investigated, and the relevant cold chain test results were all negative.

  From 0:00 on January 22, 2022 to the end of March, a nucleic acid test is required after arriving in Beijing, and no nucleic acid test after arriving in Beijing may affect travel

On January 17, the 267th press conference on the prevention and control of the new crown pneumonia epidemic in Beijing was held. A reporter from Beijing Youth Daily learned at the meeting that Xu Hejian, deputy director of the Propaganda Department of the Beijing Municipal Party Committee and spokesman for the municipal government, said that at present, Omicron has become a major epidemic strain in the world, spreading faster and more concealed. In order to further detect and control the risk of the epidemic in advance, the city has adjusted the epidemic prevention policy for entry and return to Beijing. On the basis of a negative nucleic acid test certificate within 48 hours and the green code of “Beijing Health Treasure” when entering and returning to Beijing, from January 22, 2022. From 0:00 to the end of March, people entering and returning to Beijing must undergo a nucleic acid test within 72 hours after arriving in Beijing (commuters continue to perform in accordance with existing policies and regulations). “Beijing Health Treasure” will be compared through the nucleic acid test database. If the test fails to be carried out on time, a pop-up prompt will be displayed, which may affect travel and daily life. Please pay attention to prevention and control reminders and SMS reminders in a timely manner, consciously abide by the epidemic prevention regulations, take the initiative to report to your community (village), unit or hotel as soon as you arrive in Beijing, and cooperate with epidemic prevention work such as nucleic acid testing and health management. Those who do not take the initiative to report or cooperate with the epidemic prevention work, resulting in serious consequences, will be investigated for relevant responsibilities according to laws and regulations.

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Text/Beijing Youth Daily reporter Jiang Ruojing Wu Wenjuan Li Zewei

  Beijing announces Haidian case traceability: Haidian case preliminarily judges that the case is in the early stage of infection

On January 17, at the 267th press conference on the prevention and control of the novel coronavirus pneumonia in Beijing, Pang Xinghuo, deputy director of the Municipal Center for Disease Control and Prevention and a member of the national expert group on novel coronavirus pneumonia, reported the confirmed cases of novel coronavirus pneumonia in Haidian District of the city. traceability.

On January 15, the city reported 1 confirmed case of local new coronary pneumonia. So far, there have been no new local cases. After further epidemiological investigation and comprehensive risk point investigation, sampling test, positive cargo investigation and gene sequencing, the traceability situation has made progress.

There was no history of travel and residence in other provinces and cities within 14 days before the onset of the case, and he occasionally sent and received international emails during work. The case developed symptoms of itchy throat on January 13, fatigue and fever on January 14, and no typical manifestations of new coronary pneumonia were found on lung CT on January 15. The nucleic acid of the case specimens on January 14, 15, and 16 was combined. Changes in CT values ​​were detected, combined with clinical manifestations and test results, to preliminarily judge that the case was in the early stage of infection. @Beijing Evening News reporter Sun Leqi Liu Suya

  From January 16 to 9:00 on January 17, there were no new local confirmed cases in Beijing

On January 17, at the 267th press conference on the prevention and control of the novel coronavirus pneumonia in Beijing, Xu Hejian, deputy director of the Propaganda Department of the Beijing Municipal Party Committee, director of the Municipal Government Information Office, and spokesperson of the municipal government, introduced that from January 16 to At 9:00 on the 17th, there were no new local confirmed cases in Beijing.

Responsible editor: Zhu Xuesen SN240

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