Local administration put 87 construction workers under institutional-quarantine at Fulchhari upazila in Gaibandha as they came from Munshiganj and Narayanganj.
Fulchhari Upazila Nirbahi Officer (UNO) Md Abu Raihan Dolon said, "Those workers came here by two boats on Wednesday and Thursday. Among them 75 people were taken to Tengrakandi madrasa and other 12 were taken to local Chor Katlamari Government Primary School."
Upazila health and family welfare officer Dr Md Rafikuzzaman said, "There are no symptom of coronavirus in the workers still now. If needed, we will test their blood samples."