Tags

Type your tag names separated by a space and hit enter

[Survey on infection source of a cold-chain product associated COVID-19 epidemic caused by 2019-nCoV Delta variant in Beijing].
Zhonghua Liu Xing Bing Xue Za Zhi. 2022 Aug 10; 43(8):1230-1236.ZL

Abstract

Objective: To investigate the source and the transmission chain of a cold-chain product associated COVID-19 epidemic caused by 2019-nCoV Delta variant in Beijing. Methods: Epidemiological investigation were used to verify the exposure points of the cases. Close contacts were traced from the exposure points, and human and environmental samples were collected for nucleic acid tests. Positive samples were analyzed by gene sequencing. Results: A total of 112 cases of COVID-19 were reported in the epidemic from January 18 to February 6, 2022 in Beijing. Except for 1 case was uncertain, there were epidemiological links among 111 cases. The source of infection was the packages of imported cold-chain products from Southeast Asia, which were harvested and stored in a local cold-storage in January 2021, and packaged and sent to the cold-storage A in A district in June 2021, and then sold in batches in cold-storage B in B district from January 2022. The first case was infected in the handling of positive frozen products, and then 77 cases occurred due to working, eating and living together with the index case in the cold-storage B, cold-storage C and restaurant D. Besides the cold-storage B, C and the restaurant D, there were 16 sub-transmission chains, resulting in additional 35 cases. Conclusion: The epidemic indicated that the risk of 2019-nCoV infection from imported cold-chain products contaminated by package and highlighted the importance to strengthen the management of cold-chain industry in future.

Links

Publisher Full Text (DOI)

Authors+Show Affiliations

Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

Institute for School Health, Beijing Center for Disease Prevention and Control,Beijing 100013, China.

Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

Central Office, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

Central Office, Beijing Center for Disease Prevention and Control, Beijing 100013, China.

MeSH

BeijingCOVID-19EpidemicsHumansSARS-CoV-2

Pub Type(s)

Journal Article

Language

chi

PubMed ID

35981984

Citation

Wu, S S., et al. "[Survey On Infection Source of a Cold-chain Product Associated COVID-19 Epidemic Caused By 2019-nCoV Delta Variant in Beijing]." Zhonghua Liu Xing Bing Xue Za Zhi = Zhonghua Liuxingbingxue Zazhi, vol. 43, no. 8, 2022, pp. 1230-1236.

Wu SS, Ren ZY, Sun Y, et al. [Survey on infection source of a cold-chain product associated COVID-19 epidemic caused by 2019-nCoV Delta variant in Beijing]. Zhonghua Liu Xing Bing Xue Za Zhi. 2022;43(8):1230-1236.

Wu, S. S., Ren, Z. Y., Sun, Y., Zhang, J. J., Zhao, H., Dou, X. F., Ma, C. N., Jia, L., Yang, P., & Pang, X. (2022). [Survey on infection source of a cold-chain product associated COVID-19 epidemic caused by 2019-nCoV Delta variant in Beijing]. Zhonghua Liu Xing Bing Xue Za Zhi = Zhonghua Liuxingbingxue Zazhi, 43(8), 1230-1236. https://doi.org/10.3760/cma.j.cn112338-20220228-00157

Wu SS, et al. [Survey On Infection Source of a Cold-chain Product Associated COVID-19 Epidemic Caused By 2019-nCoV Delta Variant in Beijing]. Zhonghua Liu Xing Bing Xue Za Zhi. 2022 Aug 10;43(8):1230-1236. PubMed PMID: 35981984.

* Article titles in AMA citation format should be in sentence-case

TY - JOUR T1 - [Survey on infection source of a cold-chain product associated COVID-19 epidemic caused by 2019-nCoV Delta variant in Beijing]. AU - Wu,S S, AU - Ren,Z Y, AU - Sun,Y, AU - Zhang,J J, AU - Zhao,H, AU - Dou,X F, AU - Ma,C N, AU - Jia,L, AU - Yang,P, AU - Pang,Xinghuo, PY - 2022/8/18/entrez PY - 2022/8/19/pubmed PY - 2022/8/23/medline SP - 1230 EP - 1236 JF - Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi JO - Zhonghua Liu Xing Bing Xue Za Zhi VL - 43 IS - 8 N2 - Objective: To investigate the source and the transmission chain of a cold-chain product associated COVID-19 epidemic caused by 2019-nCoV Delta variant in Beijing. Methods: Epidemiological investigation were used to verify the exposure points of the cases. Close contacts were traced from the exposure points, and human and environmental samples were collected for nucleic acid tests. Positive samples were analyzed by gene sequencing. Results: A total of 112 cases of COVID-19 were reported in the epidemic from January 18 to February 6, 2022 in Beijing. Except for 1 case was uncertain, there were epidemiological links among 111 cases. The source of infection was the packages of imported cold-chain products from Southeast Asia, which were harvested and stored in a local cold-storage in January 2021, and packaged and sent to the cold-storage A in A district in June 2021, and then sold in batches in cold-storage B in B district from January 2022. The first case was infected in the handling of positive frozen products, and then 77 cases occurred due to working, eating and living together with the index case in the cold-storage B, cold-storage C and restaurant D. Besides the cold-storage B, C and the restaurant D, there were 16 sub-transmission chains, resulting in additional 35 cases. Conclusion: The epidemic indicated that the risk of 2019-nCoV infection from imported cold-chain products contaminated by package and highlighted the importance to strengthen the management of cold-chain industry in future. SN - 0254-6450 UR - https://www.unboundmedicine.com/medline/citation/35981984/[Survey_on_infection_source_of_a_cold_chain_product_associated_COVID_19_epidemic_caused_by_2019_nCoV_Delta_variant_in_Beijing]_ DB - PRIME DP - Unbound Medicine ER -