Latest data from Northumberland County Council, published by Public Health England, reveals there were 1,328 positive cases in the week to September 27.
The infection rate is 410.1 per 100,000 population for the same period.
Here are the 16 areas of Northumberland with the highest rates.
5. Longhoughton
There were 35 positive cases in Longhoughton ward where the rate is 774.5.
Photo: Jane Coltman
6. Alnwick
There were 75 positive cases in Alnwick ward where the rate is 757.0.
Photo: Ian Smith
7. Newsham
There were 33 positive cases in Newsham ward where the rate is 713.4.
Photo: Google
8. Corbridge
There were 28 positive cases in Corbridge ward where the rate is 642.8.
Photo: Google