WARSAW — Poland’s government reported over 21,000 new coronavirus infections on Thursday, the highest daily number since November.

Authorities say Poland is in a third surge caused by the more transmissible virus variant first found in England.

With 375 new deaths also reported, Poland is facing a difficult situation. The numbers of people hospitalized with COVID-19 are also growing amid a shortage of health care workers.

The nation of 38 million has recorded more than 1.8 million infections and more than 46,000 deaths from the coronavirus. More than 4.2 million vaccine doses have been administered amid a slow vaccine rollout in the European Union, to which Poland belongs.