A patient fled from the coronavirus isolation unit of Bhola General Hospital on Wednesday.
The patient was admitted to the hospital on Tuesday night as he was suffering from fever and cough.
But has not been seen at the hospital after 1pm on Wednesday, Bhola Civil Surgeon Dr Ratan Kumar Dhali said.
He said they informed police about the matter.
Meanwhile, another person has died from the coronavirus in Bangladesh, taking the total death from the Covid-19 in the country to six.
Besides, three more people have been diagnosed with coronavirus in the country, raising the total number of coronavirus cases in the country to 54.