Quality-Adjusted Life Years, and Disability Affected Life Years, respectively. Without an understanding of them, you can't actually have an objective conversation about measuring the impact of any kind of illness.
Why do you believe this? Do you assume there is no benefit to doing so? Or do you assume that the harms outweigh the benefits?
You'd be wrong on both counts. [1]
The health impacts of vaccinated, and unvaccinated, have been measured according to current models. And in current models, getting the disease does not offer as much protection as also getting the vaccine - and thus protecting the wider population is best done with a mandate. A minuscule number of individuals is posing a threat to the rest of the population. The freedoms of the individual end where society begins. One doesn't get to walk down the street threatening to punch everyone they meet, even if they never throw a punch.
It’s mentioned in Pierre Poliveres speech in parliament, here’s a link: https://youtu.be/cGbnjF3OdNQ