The number of people who have tested positive for the disease in Poland climbed to 1,221 on Thursday, an increase of 170 from the previous day
On Wednesday, 151 new infections were confirmed by the health ministry, down from 152 on Tuesday.
The latest deaths were that of a 78-year-old man and an 84-year-old woman in hospital in Warsaw. Both had underlying health problems.
The first infection was confirmed by Polish authorities on March 4, while the country's first coronavirus fatality was announced on March 12.
Poland has declared a “state of epidemic" and temporarily closed its borders to non-residents in a move to curb the spread of the illness.
International scheduled flights and passenger rail connections have been suspended. The government is chartering special flights to help Poles abroad return home.
The government has limited the operations of shopping malls and closed all pubs, clubs and entertainment venues.
Poles have been told they cannot gather in groups of more than two, though families are exempt from the restriction.