The Bagharpar village in Shibganj upazila here was put under lockdown on Sunday evening after a 14-year-old boy died from cough and loose motion.
Dr Jahid Nazrul Chowdhury, civil surgeon of the district, said the teenage boy had been suffering from cough, sore throat and loose motion for a few days. He died around 7pm.
His samples will be tested at Rajshahi Medical College Hospital, he added.
Meanwhile, the local administration announced lockdown for the village and asked all residents to maintain home-quarantine, said officer-in-charge of Shibganj Police Station Shah Alam.