Coronavirus

These are the 13 Mass. communities with the highest risk of COVID-19 infection

Five additional municipalities moved into the "red" this week, according to the state.

People wait outside Revere High School for coronavirus tests in August. David L. Ryan/Globe staff, file

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The state’s weekly town-by-town coronavirus data, released Wednesday, indicates that 13 communities are now at the highest risk of infection, five more than last week.

The 13 communities have the highest rate of positive COVID-19 cases per 100,000 residents for the last two weeks. The communities with the highest case rate are highlighted in state data in red, meaning their average daily case rate is more than eight cases per 100,000 residents.

Most cities and town are color-coded gray, which means less than five cases for the last two weeks. Communities in green reported fewer than four cases per 100,000 on average per day over the last two weeks. Cities and towns in yellow have an average daily case rate of between four and eight per 100,000 for the last two weeks.

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Here’s a closer look at each of the communities with the highest risk:

1. Chelsea

Chelsea remains at the top of the list of riskiest communities again this week with an average daily case rate of 25.4 per 100,000 residents, state data shows.

Chelsea had 134 cases over the last two weeks, and its case count is lower than in the past. There were 3,253 new tests administered over the last two weeks, and 174 were positive for a positivity rate of 5.35 percent.

2. Lawrence

Lawrence’s average daily case rate is 20.5 per 100,000 residents, and its case count for the last two weeks was 253, which is higher than before, state data indicates.

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There were 5,669 coronavirus tests conducted in Lawrence over the last two weeks, and 299 were positive. The city’s positivity rate was 5.27 percent, which is higher than before.

3. Revere

The average case count per 100,000 residents was 18.5 in Revere over the last two weeks. There were 158 cases reported during that time frame, which is lower than before.

Over the last two weeks, 3,967 tests were administered, and 204 were positive for a positivity rate of 5.14 percent.

4. Everett

Everett’s average daily incidence rate was 18 per 100,000 residents for the last two weeks. Its case count was 122, which is higher than before.

There were 2,791 tests performed in Everett over the same time period, and 144 were positive for a positivity rate of 5.16 percent.

5. Lynnfield

Lynnfield’s average daily incidence rate was 11 per 100,000 for the last two weeks, according to state data. There were 18 cases reported over the same period, which is higher than the past.

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There were 765 tests conducted over the last two weeks, and 18 were positive for a positivity rate of 2.35 percent, which is higher than before.

6. New Bedford

New Bedford’s average daily case rate was 10.3 per 100,000 over the last two weeks. There were 143 cases reported, which is a higher case count than in the past.

There were 3,819 tests performed, and 172 were positive setting the positivity rate at 4.5 percent.

7. Framingham

The average daily incidence rate in Framingham was 10.1 per 100,000 with a case count of 105 over the last two weeks, which is lower than in the past. There were 3,657 tests conducted over the same period, and 116 were positive for a positivity rate of 3.17 percent, according to the state.

8. Dedham

Dedham’s average daily case rate was 9.7 per 100,000 with a case count of 37 over the last two weeks. There were 1,471 tests conducted there over the same period, and 39 were positive for a positivity rate of 2.65 percent.

9. Lynn

Lynn’s average daily incidence rate was 9.5 per 100,000 residents. The city reported 134 cases over the last two weeks, which is lower than before.

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There were 5,314 tests conducted there over the same period, and 199 were positive for a positivity rate of 3.74 percent.

10. Winthrop

Winthrop had an average daily case rate of 8.7 per 100,000 residents over the last two weeks, and a case count of 23, which is higher than in the past.

There were 2,642 tests conducted there, and 30 were positive for a positivity rate of 1.14 percent.

11. Chatham

Chatham’s case rate per 100,000 was 8.5 for the last 14 days. The case count was 23, which is higher than in the past. There were 189 tests conducted over the last two weeks, and seven were positive for a positivity rate of 3.7 percent.

11. Monson

Monson’s incidence rate was 8.5 per 100,000, the same as Chatham. There were 10 cases reported there for the last two weeks, which is higher than in the past.

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There were 470 tests conducted for the same time period, and 13 were positive for a positivity rate of 2.77 percent.

12. Methuen

The average daily incidence rate was 8.3 per 100,000 residents with a case count of 62 for the last two weeks, according to state data. There were 2,857 tests performed over the same period, and 73 were positive for a positivity rate of 2.56 percent.

Here’s all of the data:

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