The number of new virus cases rose by 231 from the previous day, while the death toll increased by 5, according to public health authorities.
Most of the new cases confirmed on Sunday, were in the country's southern Silesia coal region, where infections have spiked in mines.
Meanwhile, 17 new cases were reported in the central Mazowieckie province, which includes the capital Warsaw.
The latest deaths in Poland’s coronavirus outbreak are five people aged 64 to 80, the Polish health ministry said. It added that most of these patients had pre-existing medical conditions.
Meanwhile, 23,746 people have recovered from COVID-19 throughout the country, the health ministry also said.
With 38 COVID-19 deaths per million population, Poland remains far less affected by the coronavirus epidemic than many other countries in Europe, new statistics have shown.
Thirteen people per 100,000 have COVID-19 in Poland, a drop from the previous figure of 16.6, according to a set of data released by the country’s health ministry on Thursday.
The first infection was confirmed by Polish authorities on March 4, while the country's first coronavirus fatality was announced on March 12.
Source: IAR, PAP