OS
Как раз согласно тиматику транзит через Польшу можно.
Travellers by plane from countries outside the Schengen/EU area who, after arriving in Poland, stay in the Country for no longer than 24 hours and have a flight ticket are exempt from the quarantine obligation. The departure must be within 24 hours, starting from the moment of arrival in Poland.
Mandatory travel documentation when travelling by plane
All passengers travelling by air are required to complete the Traveller Location Card: the document allows epidemic services to quickly inform passengers that an infected person has travelled by plane. More info about it here. The data controller is the State District Sanitary Inspector competent for the place of residence or stay of the traveller.
Travellers by plane from countries outside the Schengen/EU area who, after arriving in Poland, stay in the Country for no longer than 24 hours and have a flight ticket are exempt from the quarantine obligation. The departure must be within 24 hours, starting from the moment of arrival in Poland.
Mandatory travel documentation when travelling by plane
All passengers travelling by air are required to complete the Traveller Location Card: the document allows epidemic services to quickly inform passengers that an infected person has travelled by plane. More info about it here. The data controller is the State District Sanitary Inspector competent for the place of residence or stay of the traveller.