She was buried at a graveyard in Manikpur Tilla of the city around 1:30pm in presence of Sylhet Civil Surgeon Dr Premendro Mondol, officials from administration and a relative amid tight security, said the civil surgeon.
The woman was admitted to an isolation ward of Shaheed Shamsuddin Ahmed Hospital with cough, asthma, and fever on March 20.
She was showing the symptoms of coronavirus and the IEDCR was scheduled to collect her blood sample for test on Sunday.
The woman, 60, returned home from the UK on March 4. She was the resident of Shamimbad residential area in the city, the civil surgeon said.
A total of 784 people were sent to home quarantine in the district while three coronavirus suspects were taken to Shaheed Shamsuddin Ahmed Hospital.
The Institute of Epidemiology, Disease Control and Research (IEDCR) will collect the blood and saliva samples of the woman.
Three more people have been diagnosed with coronavirus, taking the number of coronavirus cases in the country to 27.
Bangladesh on Saturday announced the second coronavirus death and detection of four new coronavirus patients.
Bangladesh reported the country’s first death from coronavirus on March 18.
Meanwhile, the number of globally confirmed coronavirus cases rose to more than 300,000 on Sunday. So far, the virus has claimed 13,068 lives -- a mortality rate of 12 percent, according to Worldometer.