And I thank you for the link to the Spanish study. Yes, modeling prevalence is complex but once you have the total estimated infected then finding IFR becomes

And I thank you for the link to the Spanish study. Yes, modeling prevalence is complex but once you have the total estimated infected then finding IFR becomes trivial. Calculating SMR would be much more difficult. Many (most?) countries do not produce reports in English but only in their native language. When you search in the native language then it is easier to find relevant data. Especially when you catch the right keywords they use.