Only a handful of pockets in the south-east of the county recorded five or more cases in the week to March 27.
Latest date published by Northumberland County Council puts the countywide infection rate at 46.52 per 100,000. There were 149 new confirmed positive cases.
Here are the 20 areas of Northumberland with zero infection rates.
1. Berwick East
The infection rate in Berwick East is zero.
2. Berwick West with Ord
The infection rate is zero in Berwick West with Ord.
3. Norham and Islandshires
There were no cases in Norham and Islandshires where the rate is zero.
The infection rate is zero in Bamburgh ward.
Photo: Jane Coltman