Latest data from Public Health England, published by Northumberland County Council, reveals there were 100 positive cases recorded on June 21.
There were 446 positive cases recorded in the week to June 21 and the infection rate for the same period was 139.3 positive cases per 100,000 population.
Here are the 19 areas of Northumberland with the highest rates.
There were 14 positive cases in Amble ward where the rate is 266.6.
Photo: Jane Coltman
6. Cramlington North
There were 12 positive cases in Cramlington North where the rate is 245.6.
There were 12 positive cases in Newsham ward where the rate is 237.8.
8. Ponteland South with Heddon
There were 10 positive cases in Ponteland South with Heddon where the rate is 228.6.