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Modeling population-wide testing of SARS-CoV-2 for containing COVID-19 pandemic in Okinawa, Japan

Shimizu, Kazuki, Kuniya, Toshikazu and Tokuda, Yasuharu (2021) Modeling population-wide testing of SARS-CoV-2 for containing COVID-19 pandemic in Okinawa, Japan. Journal of General and Family Medicine, 22 (4). 173 - 181. ISSN 2189-7948

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Identification Number: 10.1002/jgf2.439

Abstract

To break the chains of SARS-CoV-2 transmission and contain the coronavirus disease 2019 (COVID-19) pandemic, population-wide testing has been practiced in various countries. However, scant research has addressed this topic in Japan. In this modeling exercise, we extracted the number of daily reported cases of COVID-19 in Okinawa from October 1 to November 30, 2020, and explored possible scenarios for decreasing COVID-19 incidence by combining population-wide screening and/or social distancing policy. We reveal that permanent lockdown can be theoretically replaced by mass testing but sufficient target population at an adequate frequency must be mobilized. In addition, solely imposing a circuit breaker will not bring a favorable outcome in the long run, and mass testing presents implications for minimizing a period of lockdown. Our results highlight the importance of incentivizing citizens to join the frequent testing and ensure their appropriate isolation. This study also suggests that early containment of COVID-19 will be feasible in prefectures where the mobility is low and/or can be easily controlled for its geographic characteristics. Rigorous investment in public health will be manifestly vital to contain COVID-19.

Item Type: Article
Official URL: https://onlinelibrary.wiley.com/journal/21897948
Additional Information: © 2021 The Authors
Divisions: Health Policy
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
H Social Sciences > HV Social pathology. Social and public welfare. Criminology
Date Deposited: 28 May 2021 16:30
Last Modified: 20 Aug 2021 00:36
URI: http://eprints.lse.ac.uk/id/eprint/110732

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