The test-positivity rate for Covid-19 in Natore sadar and municipality areas are static at 62% in the last 24 hours to Friday morning.
The overall infection rate in the district stands at 53% during the same period, as 82 samples out of 154 tested came out positive, according to health officials.
Besides, the infection rate stood at 16% in Singra upazila.
Hospitals in the district are facing space constraints as the number of patients are increasing alarmingly.
Assistant Director of Natore Sadar Hospital Paritosh Kumar Ray said the hospital's coronavirus ward with 31 beds had been extended to yellow zone to treat 39 patients.
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Meanwhile, on the third day of lockdown in the district to stem the virus spread, local administration is maintaining a strict position installing police checkpoints in the town's 12 points to limit movements.
Bangladesh on Thursday registered 36 more coronavirus-related deaths and 2,537 fresh cases in 24 hours, with the Covid-19 situation worsening post the detection of the Delta variant in different parts of the country.
Although district administrations have imposed restrictions in most of the frontier districts to bring the situation under control, the infection and death rates are on the rise.
The latest death toll pushed up the fatalities to 12,949. The Covid-19 death toll crossed the 12,000-mark in Bangladesh on May 11.
With the new cases, the total caseload rose to 817,819, said the Directorate General of Health Services.
