The "study" (using that term loosely) was nonsense. The figure that got reported as healthcare cost was actually some kind of Department of Transport figure for

The "study" (using that term loosely) was nonsense. The figure that got reported as healthcare cost was actually some kind of Department of Transport figure for the value of a life, adjusted for category of road accident, mapped in entirely arbitrary ways to COVID cases. This is how they ended up concluding an asymptomatic case "cost" $11,000 - an absurd idea that should have triggered a basic sanity check in anyone who read it.