Effects of voluntary event cancellation and school closure as countermeasures against COVID-19 outbreak in Japan.
other · Level V
Where this comes from
- Record sourced from PubMed, PMID 33347444.
- Also identified by DOI 10.1371/journal.pone.0239455 and PMC identifier 7751859.
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Abstract
To control the COVID-19 outbreak in Japan, sports and entertainment events were canceled and schools were closed throughout Japan from February 26 through March 19. That policy has been designated as voluntary event cancellation and school closure (VECSC). This study assesses VECSC effectiveness based on predicted outcomes. A simple susceptible-infected-recovered model was applied to data of patients with symptoms in Japan during January 14 through March 26. The respective reproduction numbers for periods before VECSC (R0), during VECSC (Re), and after VECSC (Ra) were estimated. Results suggest R0 before VECSC as 2.534 [2.449, 2.598], Re during VECSC as 1.077 [0.948, 1.228], and Ra after VECSC as 4.455 [3.615, 5.255]. Results demonstrated that VECSC can reduce COVID-19 infectiousness considerably, but after VECSC, the value of the reproduction number rose to exceed 4.0.
Medical subject headings
- COVID-19