Fig. 1From: Correlation between COVID-19 case fatality rate and percentage of BCG vaccination: is it true the vaccine is protective?Map displaying BCG vaccination policy by country. a The country currently has universal BCG vaccination program. b The country used to recommend BCG vaccination for everyone but currently does not. c The country never had universal BCG vaccination programs. doi:10.1371/journal.pmed.1001012.g002Back to article page