There were once hundreds of Massachusetts communities at the highest risk of coronavirus transmission. Now there are just two.
The town-by-town coronavirus data released Thursday showed two communities in the high-risk red zone, down from six last week. The figure has declined for weeks; the most communities in the high risk "red zone" was in mid-January, when there were 229 cities and towns in it.
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The town-by-town coronavirus risk data classifies communities' risk level on a scale from red, the highest, to grey, and is one of many metrics tracked by the state that had been showing the latest COVID surge subsiding. (See this week's full list of red zone communities below.)
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Massachusetts COVID Hot Spots
The two communities in the highest risk level as of Thursday are Lawrence and New Bedford.
Four communities dropped out of red: Acushnet, Edgartown, Lowell and Taunton.
To qualify for the red, high-risk category under the metrics, communities with populations under 10,000 must have more than 25 cases. For mid-size communities of between 10,000 and 50,000 people, they must have an average of more than 10 cases per 100,000 people and a positive test rate of more than 5%. And for larger communities of greater than 50,000 people, they must have more than 10 cases per 100,000 people and a positive test rate of more than 4%.
Previously, the state used the number of cases detected on average each day over two weeks to determine if Massachusetts' communities are at high risk for coronavirus transmission. The new list factors in population size and positive test rate.
See the full list, and the risk map itself, on the Massachusetts Department of Health COVID dashboard.
