China has already put several cities under quarantine; according to the US federal and state laws - would that be possible (de jure) in USA? I guess in Europe it might be possible de jure (not sure about the law) but technically impossible to implement; not enough police or other enforcing troops available

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This morning i heard from the news that already some chinese tourists have been put to the hospital in northern Finland. Those tourists were from Wuhan.
I hope that northern climate is severe enough to block the new virus; due the colder climate for example ebola would not spread in northern Europe and probably also in Canada, Alaska etc.