Linking key intervention timing to rapid decline of the COVID-19 effective reproductive number to quantify lessons from mainland China
File(s)
Published version
Author(s)
Xiao, Yanni
Tang, Biao
Wu, Jianhong
Cheke, Robert A
Tang, Sanyi
Type
Journal Article
Abstract
Effective reproductive numbers (Rt) were calculated from data on the COVID-19 outbreak in China and linked to dates in 2020 when different interventions were enacted. From a maximum of 3.98 before the lockdown in Wuhan City, the values of Rt declined to below 1 by the second week of February, after the construction of hospitals dedicated to COVID-19 patients. The Rt continued to decline following additional measures in line with the policy of "early detection, early report, early quarantine, and early treatment." The results provide quantitative evaluations of how intervention measures and their timings succeeded, from which lessons can be learned by other countries dealing with future outbreaks.
Date Issued
2020-08-01
Date Acceptance
2020-06-04
Citation
International Journal of Infectious Diseases, 2020, 97, pp.296-298
ISSN
1201-9712
Publisher
Elsevier
Start Page
296
End Page
298
Journal / Book Title
International Journal of Infectious Diseases
Volume
97
Copyright Statement
© 2020 The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases. This is an open access article under the CC BY-NC-NDlicense (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Identifier
https://www.ncbi.nlm.nih.gov/pubmed/32535298
PII: S1201-9712(20)30449-5
Subjects
COVID-19
Effective reproductive number
Intervention timing
Lockdown
Basic Reproduction Number
Betacoronavirus
COVID-19
China
Cities
Coronavirus Infections
Humans
Pandemics
Pneumonia, Viral
Quarantine
SARS-CoV-2
Publication Status
Published
Coverage Spatial
Canada
Date Publish Online
2021-06-12