WARSAW, Poland — Poland has registered another sharp spike in confirmed coronavirus cases and reported a new daily record of over 20,100.

The new cases reported Thursday, an increase from almost 19,000 reported a day earlier,

The spike, from almost 19,000 Wednesday, raised the possibility of the government further tightening restrictions that already call for masks to be worn outdoors and restrict shopping, restaurantsand fitness activities.

The most affected regions in the nation of 38 million were that of Poznan, in the west, Warsaw, in central Poland, and Silesia, in the south.

The country also reported 301 more virus-related deaths on Thursday, including 46 people who died of COVID-19 alone and 255 of the disease combined with other health problems. Health Ministry figures show that since the start of the pandemic, Poland has registered a total of 320,000 confirmed cases and almost 5,150 deaths.