Forty-two people were diagnosed with Covid-19 in Narayanganj in the last 24 hours till Friday, taking the total of number of such cases in the district to 584.
Besides, two more people died from coronavirus in the district during the period, raising the death toll to 37.
The health department has so far collected samples of 1,754 people, including 189 in the last 24 hours, in the district.
So far, 25 people were discharged from hospitals after making full recovery, sources added.