There are only two parameters we really care about: how transmissible is the disease and how severe is it? Everything else follows from that.
But forecasting this type of stuff is at best directional.
Molecular biology is what’s crucial here, not models.
Yes, it’s useful to see that virality is a key parameter. No, you don’t put a lot of confidence in the forecast for Aug 2023 revenue.
See this thread on serosurveys from Feb.