City-by-city mass COVID map is changing again, leaving many fewer communities in red – NBC Boston

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CORRECTION (Nov 6, 2020, 5:15 p.m.): An earlier version of this story indicated the incorrect number of communities in the red in Friday’s report. There are 16.

Data that goes into Massachusetts city-by-city coronavirus risk map is being redesigned on Friday, the Department of Public Health said ahead of the map’s release.

The new data will take into account the size of the population, placing only 16 communities in Massachusetts in the red category, which means a high risk of transmitting COVID-19, officials said. In last week’s report, there were 121 communities in the red, representing more than a third of all towns and villages in the state.

This week there will also be 91 communities in yellow, 79 in green and 165 in the lower risk gray category. View city-by-city data here.

This is the third time that the card has changed in as many weeks. Its publication was postponed to Friday Thursday afternoon, a few hours before its scheduled release.

To qualify for the red category under the new measures, communities of less than 10,000 inhabitants must have more than 25 cases. For medium-sized communities of 10,000 to 50,000 people, they should have an average of more than 10 cases per 100,000 inhabitants and a positive test rate of more than 5%. And for larger communities of over 50,000 people, they must have more than 10 cases per 100,000 population and a positive test rate of over 4%.

Mass. Department of Health

New Massachusetts settings for high risk of coronavirus transmission, effective Friday, November 6, 2020.

According to the old measurements, communities with more than 8 cases per 100,000 resulted in high risk and red shading on the map.

Friday’s change better reflects communities testing at higher rates, officials said.

“The new metric is informed by data used across the country, including other states in the northeast and central Atlantic,” Health and Human Services Secretary Marylou Sudders said on Friday. .

She and other officials have linked the change to keeping students in school. Schools are expected to become remote only if their community is in red, although control will ultimately be left to local authorities.

“This is another example, based on a growing body of evidence, that schools are not broadcasters,” Gov. Charlie Baker said.

The number of cities in red on the coronavirus risk map had grown rapidly last month. The 121 communities last week were a 57% increase from 77 the week before.



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