The deceased was identified Sukjan Begum, 65, wife of Karim Sardar of Paikgaccha upazila of Khulna district.
Dr Manash Kumar Mandal, medical officer of Satkhira Medical College and Hospital, said the woman was admitted to the hospital with fever and cold related problems on August 18 and died at the isolation unit of the hospital.
Later, the hospital authorities collected her samples for Covid-19 test but the result is yet to come.
Meanwhile, the local administration has put the house of the woman under lockdown.
So far, 74 people have died from fever and cold related problems in the district.
Bangladesh’s death toll from Covid-19 reached at 3,907 with the deaths of 46 people while the total number of confirmed cases stood at 2,92,625 with the detection of 2,265 fresh cases as of Saturday since the first detection of the infection on March 8.