Latest data published by Northumberland County Council reveals there were 46 positive cases across the county in the week to April 24.
The infection rate is 14.36 positive cases per 100,000.
Here are the 10 areas of Northumberland with the highest rates.
The rate in Blyth's Plessey ward is 129.6 positive cases per 100,000. There were five positive cases in the week to April 24.
2. Kitty Brewster
The rate is 92.4 in Blyth's Kitty Brewster ward. There were six positive cases.
The rate in Newsham ward is 79.3.
The rate in Blyth's Croft ward is 64.4.