Infection Fatality Rate (IFR)

The Infection Fatality Rate (IFR) is different from a Case Fatality Rate. The IFR is determined from all of those who contracted an infection, including those who were asymptomatic and did not develop clinical symptoms. On the other hand, the Case Fatality Rate measures how many fatalities occur after clinical symptoms are observed.

Papers and articles on the IFR:
WHO paper:
IFR Corrected median
overall                            = 0.23%
IFR Corrected median
for under 70 years        = 0.05%

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IFR = 0.15%