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3,894/ Italy (current tobacco smoking age 15+ was 23.5% in 2017) smoking: C=current, X=ex Of 370 with COPD, C=26.5% & X=70.5% Of 22 with Covid-19, C=18.2% & X=81.8% Of 10 in ICU, C+X=20% (clearly an error; might be C=20% & X=80%) https://