je to pozitivne a aj pomerne rychle
tu je thread o zatvoreni skol https://twitter.com/NAChristakis/status/1235204443362205699

Yet studies show that school closures are one of the most beneficial 'non-pharmaceutical interventions' (NPI) that can be employed, more effective even than reactive quarantines or banning of public gatherings. Partly, the reason is that *parents* also stay home as a result.

So reactive school closure, while rational & helpful, is not enough. In my view, schools should be closed *before* first case in a school, when cases appear in the community or in nearby areas. This is not without costs. But waiting reduces the benefits of #schoolclosure