For those who don't know (including me), IFR means Infection Fatality Rate. "applies to infectious disease outbreaks ... [and] represents the proportion of deat

For those who don't know (including me), IFR means Infection Fatality Rate. "applies to infectious disease outbreaks ... [and] represents the proportion of deaths among all infected individuals, including all asymptomatic and undiagnosed subjects." https://en.wikipedia.org/wiki/Case_fatality_rate https://en.wikipedia.org/wiki/Case_fatality_rate