Before revision:  These are uncertain, but clearly not negligible, and plausibly comparable to or larger than the costs in lives lost .
After revision:  These are uncertain, but clearly not negligible, and plausibly comparable to or larger than the costs in deaths. In summary, policy on tackling COVID-19 cannot be rationally made without estimating probabilities of future medical interventions and long-term illness costs. More work on modelling these uncertainties is urgently needed .