As long as 'severe' covid efficiency rates are in the same ballpark as covid deaths rates, I'm willing to accept the ballpark even if the details may be margina

As long as 'severe' covid efficiency rates are in the same ballpark as covid deaths rates, I'm willing to accept the ballpark even if the details may be marginally off. Another credible metric is ICU utilization, because it's an expensive scarce resource, people are not sent there willy nilly.