Figures from Public Health England reveal there were 4,874 positive cases in the week to January 15.
This compares to nearly 7,500 positive cases in the week to January 9.
The infection rate is 1,505 positive cases per 100,000 population in the week to January 15 compared to 2,293 per 100,000 on January 9.
Here are the 10 areas of Northumberland with the lowest infection rates.
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