Of the new cases confirmed on Monday, the most—1,513—were in the central Mazowieckie region, which includes the national capital Warsaw.
Meanwhile, 1,038 new infections were reported in the southern province of Małopolskie, which is home to Poland's second-largest city of Kraków.
The number of confirmed cases of the Omicron variant has increased to 193, with two people having now died of the mutation, health officials also said on Monday.
The latest deaths in Poland's coronavirus outbreak are 14 people with pre-existing medical conditions and 5 others who died directly because of COVID-19, the health ministry wrote in a statement.
On Sunday Poland confirmed 22 deaths and 11,106 new coronavirus infections nationwide, compared with 292 deaths and 10,900 fresh cases a day earlier.
On April 8, 2021, the country reported its highest daily toll of 954 deaths related to the coronavirus.
On April 1, 2021, the Polish health ministry confirmed 35,251 new single-day cases, the most since the pandemic hit the country in early 2020.
Poland's first case of coronavirus infection was reported on March 4, 2020.
18,160 in hospitals, 140,355 quarantined
The Polish health ministry announced on Monday morning that 18,160 COVID-19 patients were in hospitals nationwide, 1,790 of them on ventilators, with a further 140,355 people quarantined for possible coronavirus exposure.
Meanwhile, 3,734,338 people have now recovered from COVID-19 throughout the country, the health ministry also said.
Health Minister Adam Niedzielski has told reporters that the country is bracing for a peak in COVID-19 omicron cases in late January when up to 60,000 hospital beds could be needed for patients.
Public health authorities in the middle of last month confirmed Poland's first case of the omicron COVID-19 variant.
A range of coronavirus restrictions took effect in the country in December as it seeks to fend off the new, highly contagious strain of the coronavirus.
(pm)
Source: IAR, PAP