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Spatial-temporal clustering of an outbreak of SARS-CoV-2 Delta VOC in Guangzhou, China in 2021.
Zhang, Qian; Zhang, Meng; Hu, Jianxiong; He, Guanhao; Zhou, Yan; Chen, Xuguang; Zhuang, Yali; Rong, Zuhua; Yin, Lihua; Zhao, Jianguo; Huang, Zitong; Zeng, Weilin; Li, Xing; Zhu, Zhihua; Tang, Yerong; Quan, Yi; Li, Yihan; Zhang, Li; Fu, Di; Li, Yan; Xiao, Jianpeng.
Afiliação
  • Zhang Q; School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China.
  • Zhang M; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Hu J; Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • He G; Guangdong Workstation for Emerging Infectious Disease Control and Prevention, Guangzhou, China.
  • Zhou Y; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Chen X; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Zhuang Y; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Rong Z; School of Public Health, Southern Medical University, Guangzhou, China.
  • Yin L; Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Zhao J; Guangdong Workstation for Emerging Infectious Disease Control and Prevention, Guangzhou, China.
  • Huang Z; Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Zeng W; Guangdong Workstation for Emerging Infectious Disease Control and Prevention, Guangzhou, China.
  • Li X; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Zhu Z; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Tang Y; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Quan Y; Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Li Y; School of Public Health, Sun Yat-sen University, Guangzhou, China.
  • Zhang L; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Fu D; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Li Y; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China.
  • Xiao J; School of Public Health, Sun Yat-sen University, Guangzhou, China.
Front Public Health ; 10: 1050096, 2022.
Article em En | MEDLINE | ID: mdl-36568757
Background: In May 2021, the SARS-CoV-2 Delta variant led to the first local outbreak in China in Guangzhou City. We explored the epidemiological characteristics and spatial-temporal clustering of this outbreak. Methods: Based on the 153 cases in the SARS-CoV-2 Delta variant outbreak, the Knox test was used to analyze the spatial-temporal clustering of the outbreak. We further explored the spatial-temporal clustering by gender and age groups, as well as compared the changes of clustering strength (S) value between the two outbreaks in Guangzhou. Results: The result of the Knox analysis showed that the areas at short distances and brief periods presented a relatively high risk. The strength of clustering of male-male pairs was higher. Age groups showed that clustering was concentrated in cases aged ≤ 18 years matched to 18-59 years and cases aged 60+ years. The strength of clustering of the outbreak declined after the implementation of public health measures. The change of strength of clustering at time intervals of 1-5 days decreased greater in 2021 (S = 129.19, change rate 38.87%) than that in 2020 (S = 83.81, change rate 30.02%). Conclusions: The outbreak of SARS-CoV-2 Delta VOC in Guangzhou has obvious spatial-temporal clustering. The timely intervention measures are essential role to contain this outbreak of high transmission.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: SARS-CoV-2 / COVID-19 Tipo de estudo: Incidence_studies / Prognostic_studies Limite: Humans / Male País/Região como assunto: Asia Idioma: En Revista: Front Public Health Ano de publicação: 2022 Tipo de documento: Article País de afiliação: China

Texto completo: 1 Base de dados: MEDLINE Assunto principal: SARS-CoV-2 / COVID-19 Tipo de estudo: Incidence_studies / Prognostic_studies Limite: Humans / Male País/Região como assunto: Asia Idioma: En Revista: Front Public Health Ano de publicação: 2022 Tipo de documento: Article País de afiliação: China