Twenty houses were put under lockdown as a young man found infected with coronavirus at Khalisha Bakshibari in Syedpur upazila of Nilphamari on Thursday.
Ranjit Kumar Barban, Civil Surgeon of Nilphamari, said the man, aged about 38, returned home from Narayanganj on April 5 with fever.Later, the local administration put him under home quarantine. On April 7, a medical team collected samples from him and sent to Rangpur Medical College Hospital for coronavirus test.
The authorities of Rangpur Medical College and Hospital found him infected with the virus and sent him to the isolation unit of the hospital on Thursday evening.
Later, the local administration put the house of the man and adjacent 19 other houses under lockdown.
Earlier, on April 7, a physician was found positive for coronavirus in the district.