Data published by Northumberland County Council reveals there were 197 positive cases across the county in the week to March 17.
The rate is 61.51 cases per 100,000 for the same period.
By comparison the rate was 47.46 in the week to March 13 with 152 positive cases.
Here are the 15 areas of Northumberland with the highest rates.
By comparison the rate was 47.46 in the week to March 13 with 152 positive cases.
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