Country-level and regional COVID-19 burden and determinants across OECD member states and partner countries.

"Declaration Ethics approval and consent to participateNot applicable as data used in this study are anonymous; they are not from individual participants. No informed consent or other ethical approval was needed. Consent for publicationAll authors read the manuscript and agreed that the paper was ready to be submitted to the journal. Availability of data and materialsThe datasets used in this study can be obtained from the corresponding authors. Competing interestsNone declared. FundingAll the expenses related this study were done by the department of Public Health, Kagawa University Faculty of Medicine. No external fund was received. AcknowledgementsThe authors would like to thank the office staff of department of Public health at Kagawa university Faculty of Medicine, Ms Kubo, for her support during the implementation of some activities of this study. Competing interests None declared."

"Funding All the expenses related this study were done by the department of Public Health, Kagawa University Faculty of Medicine. No external fund was received."