We also estimated the most recent crude infection fatality ratio (IFR) and time-delay adjusted IFR at 0.04% (95% CrI: 0.03%-0.06%) and 0.12% (95%CrI: 0.08-0.17%), respectively, estimates that are several orders of magnitude smaller than the crude CFR estimated at 4.06%
https://www.medrxiv.org/content/10.1101/2020.02.12.20022434v3