Another perosn was diagnosed with coronavirus in last 24 hours in the district on Wednesday, raising the number of case to four.
Confirming the matter, district civil surgeon Doctor Selim Miah said the man, who is a garment worker, returned home from Narayaganj.
After returning from Narayanganj, he was in home quarantine in Panchbibi upazila, said the civil surgeon adding that the man is now undergoing treatment at Gopinathpur IHT centre.