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Early signs of geographic spread of COVID-19: lessons learnt from outbreaks in Wuhan 2020 and Nanjing 2021.
Xue, Shan; Hua, Yiwen; Lei, Yanhui; Kong, Lingcai; Zhou, Menghan; Fan, Lijun; Du, Wei.
  • Xue S; State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
  • Hua Y; University of Chinese Academy of Science, Beijing 10049, China.
  • Lei Y; Key Laboratory of Environmental Medicine Engineering, Ministry of Education; School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China.
  • Kong L; State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
  • Zhou M; University of Chinese Academy of Science, Beijing 10049, China.
  • Fan L; Department of Mathematics and Physics, North China Electric Power University, Baoding 071003, China.
  • Du W; Key Laboratory of Environmental Medicine Engineering, Ministry of Education; School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China.
Int Health ; 14(6): 660-663, 2022 11 01.
Article in English | MEDLINE | ID: covidwho-1545985
ABSTRACT

BACKGROUND:

Knowing the spatiotemporal pattern of the early geographic spread of coronavirus disease 2019 (COVID-19) would inform the preparedness for a possible recurrence of COVID-19.

METHODS:

We ascertained the number of confirmed cases during the early spread of COVID-19 during the Wuhan outbreak in 2020 and the Nanjing outbreak in 2021.

RESULTS:

We observed a speeding-up pattern of geographic spread, in particular to cities of no particular orientation then outflowing to commercial cities during the first month of both the Wuhan and Nanjing outbreaks.

CONCLUSION:

Re-emergence of COVID-19 indicates it is becoming endemic, with new outbreaks and a risk of increased transmission remaining a challenge to local public health institutions. Social distancing and lockdowns should continue in response to any potential widespread and focal outbreaks.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Type of study: Observational study / Prognostic study Limits: Humans Country/Region as subject: Asia Language: English Journal: Int Health Year: 2022 Document Type: Article Affiliation country: Inthealth

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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Type of study: Observational study / Prognostic study Limits: Humans Country/Region as subject: Asia Language: English Journal: Int Health Year: 2022 Document Type: Article Affiliation country: Inthealth