Not enough that I would feel confident publically stating. I think our best hope for accurate calibration would be to fit the data as it comes out (hence why we are focusing our efforts here) or to do a post-hoc analysis of a few examples, e.g. Wuhan vs South Korea. I'll note that mitigation effects will be best measured as a reduction in exponential growth.
Do you have a sense, or any benchmarks, for where the current responses across the world lie along the weak - strong mitigation scale? Or is that something we'll need to estimate using the model as the situation evolves more?