It says the rate is estimated at 0.6%. It says that one research thinks it could be as low as 0.15%, but the link was pay-walled. When you read articles like this, you have to ask what do they mean by "could be". That often means that there is a range of numbers, and the low end of the range is 0.15%. That in no way means that the "survival rate is now estimated at 99.85%."
But, based on this mischaracterization, every knucklehead on this board will go out telling people that it is now accepted that COVID is no worse than the flu.