A child who was undergoing treatment at the coronavirus isolation unit at Mohammad Ali Hospital in Bogura, died on Wednesday evening.
Civil Surgeon Dr Gausul Azim Chowdhury said the 13-year-old was admitted to the unit at 3:30pm and died about three hours later.
Dr Shafik Amin, Resident Medical Officer (RMO) of the hospital, said the child was suffering from cold, cough and fever.
Samples have been collected from the child for testing coronavirus infection, he said.
Bangladesh confirmed its sixth coronavirus death and three new cases on Wednesday, raising the total number of confirmed cases to 54.