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[Preprint]. 2020 Jul 16:rs.3.rs-42927. [Version 1] doi: 10.21203/rs.3.rs-42927/v1

PMC7373138.1; 2020 Jul 16
PMC7373138.2; 2020 Sep 28

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COVID-19 morbidity and mortality vs BCG immunization rates (A, B) Total COVID-19 cases and deaths per million against BCG immunization rates for all countries and regions (n=210) in the world. Only select countries are labeled. (C, D) Total COVID-19 cases and deaths per million against BCG immunization rates for high median age (“old”) countries and regions (n=61). r and p are from Pearson’s correlation coefficient analysis.