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BCG coverage negatively correlates with COVID-19 deaths/million at all three time points studied: BCG coverage was correlated for countries at three different time points: 17th May 2020 (a), 1st October 2020 (b) and 31st December 2020 (c) with respect to COVID-19 deaths/million. Spearman’s correlation coefficient value (Rs) and the respective p values have been mentioned for each graph. Correlation has been considered statistically significant if p < .1
