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  • Effective containment explains subexponential growth in recent confirmed COVID-19 cases in China
    https://www.preventionweb.net/go/73010

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Effective containment explains subexponential growth in recent confirmed COVID-19 cases in China

Source(s):  Science

The recent outbreak of coronavirus disease 2019 (COVID-19) in mainland China was characterized by a distinctive subexponential increase of confirmed cases during the early phase of the epidemic, contrasting with an initial exponential growth expected for an unconstrained outbreak. This study shows that this effect can be explained as a direct consequence of containment policies that effectively deplete the susceptible population. A parsimonious model is introduced that captures both quarantine of symptomatic infected individuals, as well as population-wide isolation practices in response to containment policies or behavioral changes, and show that the model captures the observed growth behavior accurately. These insights provided may aid the careful implementation of containment strategies for ongoing secondary outbreaks of COVID-19 or similar future outbreaks of other emergent infectious diseases.



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  • Effective containment explains subexponential growth in recent confirmed COVID-19 cases in China
  • Publication date 2020
  • Author(s) Maier, Benjamin F.; Brockmann, Dirk
  • Number of pages 5 p.
  • ISBN/ISSN 10.1126/science.abb4557 (DOI)

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