> For a country with ~10% over 70 years old, and assuming infection fatality rate of ~6% among those, then IFR would already be 0.6% That's assuming equal or g

> For a country with ~10% over 70 years old, and assuming infection fatality rate of ~6% among those, then IFR would already be 0.6% That's assuming equal or greater rate of infection for people over 70. That is, given 1000 people, 100 would be over 70. If 10% of them get infected (10 people), but 50% of younger people get infected (500 people), your IFR could be much lower. We have some data on the age distribution of severe cases, but asymptomatic cases are virtually untested at this point, and are probably (? may be?) going to shift the distribution toward younger people (right now, we see more cases for older people, as well as more severe cases, because severe cases are more likely to be tested).