The local administration on Thursday sealed off a busy village bazar in Kushtia's Mirpur upazila to prevent Covid-19 transmission. Mirpur Upazila Nirbahi Officer Linkon Biswas made the announcement on Wednesday afternoon. Read: Covid-19: Restrictions imposed in Kushtia "A resident of Old Azampur village went to Chapainawabganj for work some days ago. After returning from the district, he tested positive for Covid-19. He is now undergoing treatment at Kushtia General Hospital,"  Linkon said. Two family members of the patient also tested positive for Covid-19. "However, they are recuperating at home," the UNO said, adding that the man might have been infected with the Delta variant. As the man went to Azampur Bazar after his return from Chapainawabganj, the local administration decided to seal it off for seven days.  Read: Two Indian returnees tested positive for Covid in Kushtia Besides, the house of the infected person is in the vicinity, the UNO said. According to the local health authorities, four Covid patients have died in Kushtia in the past 24 hours. Not to mention that corona cases are on the rise in the district.