Latest date from Public Health England, published by Northumberland County Council, puts the countywide infection rate at 389.1 per 100,000 population in the week to September 21.
There were 1,260 positive cases recorded in the same period.
Here are the 15 areas with the highest infection rates.
There were 37 positive cases in Longhoughton ward where the rate is 818.8.
Photo: Jane Coltman
2. NPNG Kirkhill Morpeth - Edited.jpg
There were 36 positive cases in Morpeth Kirkhill where the rate is 684.8.
Photo: Morpeth Kirkhill
3. South Blyth
There were 35 positive cases in South Blyth ward where the rate is 676.3.
4. Cramlington Village
There were 30 positive cases in Cramlington Village where the rate is 671.1.