Of the new cases, the most – 777– were in the western province of Wielkopolskie, which is home to the major city of Poznań.
Meanwhile, 765 new infections were reported in the densely populated southern coal-mining region of Silesia.
The latest deaths in Poland’s coronavirus outbreak are 336 people with pre-existing medical conditions and 117 who died directly because of COVID-19, the Polish health ministry said.
On Thursday, Poland reported 6,431 new coronavirus infections and 510 more deaths.
On April 8, the country reported its highest daily toll of 954 deaths related to the coronavirus.
On April 1, the Polish health ministry confirmed 35,251 new single-day cases, the most since the pandemic hit the country more than a year ago.
Poland's first case of coronavirus infection was reported on March 4, 2020.