With the new cases, the district's confirmed coronavirus cases have risen to 545 till Monday evening, said Civil Surgeon Mahfuzar Rahman.
Two staff of Haripur and Baliadangi upazila health complex, were among the newly-infected patients.
Meanwhile, 94 more samples have been sent to Dinajpur M Abdur Rahim Medical College Hospital on Monday for test.
Read Also: Bangladesh’s confirmed coronavirus cases surpass 2.6 lakh
So far 3,984 samples have been tested in the district.
Bangladesh’s officially confirmed coronavirus cases went up to 260,507 with the detection of 2,907 new patients in 24 hours until Monday.
Besides, the death tally rose to 3,438 with 39 new deaths in the country.