"According to the information of the Chief Sanitary Inspector of February 24, 2020:" At the moment, there is no justification for taking excessive measures such as quarantining people returning from the regions of Northern Italy, refusing to participate in school activities and closing schools. "
https://gis.gov.pl/aktualnosci/informacja-glownego-inspektora-sanitarnego-dla-osob-powracajacych-z-polnocnych-wloch/