I have no opinion on whether this is blown out of proportion.
I can just see that my own country is choosing the most extreme measures (packaged in nationalistic rhetorics) where as our neighbours are not.
The idea that the population should be sampled so the exact extent of the spread can be measured (and so can the effect of the various policies) is not mine. Here is a Danish doctor calling for the same:
As if China can be explained that way.