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World Health Organization. Coronavirus disease (COVID-2019) situation reports https:\/\/www.who.int\/docs\/default-source\/coronaviruse\/situation-reports\/20200719-covid-19-sitrep-181.pdf?sfvrsn=82352496_2; 2020 Accessed 20.07.2020."},{"key":"2","unstructured":"2. Minister of Health, Labour and Welfare. Situation update for COVID-19 and the MHLW\u2019s response (Jul. 19, 2020) https:\/\/www.mhlw.go.jp\/stf\/newpage_12519.html; 2020 Accessed 25.12.2020."},{"key":"3","unstructured":"3. Osaka Prefectural Government. Outbreaks of patients with COVID-19 (2332 to 2420) http:\/\/www.pref.osaka.lg.jp\/hodo\/attach\/hodo-38785_4.pdf; 2020 Accessed 25.12.2020."},{"key":"4","unstructured":"4. Roser M, Ritchie H, Ortiz-Ospina E, Hasell J. Coronavirus Pandemic (COVID-19) https:\/\/ourworldindata.org\/coronavirus; 2020 Accessed 23.08.2020."},{"key":"5","unstructured":"5. Minister of Health, Labour and Welfare. 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