BOSTON (CBS) – Thirteen communities in Massachusetts are now considered high risk for coronavirus infections. The state released an updated color-coded map and data on Wednesday based on average positive test rates.

Towns and cities are colored red, yellow, green, or white based on the number of cases. Communities in red have the highest risk level.

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Six communities have moved into the high-risk category including Chatham, Dedham, Lynnfield, Methuen, Monson and New Bedford. Chelsea, Everett, Framingham, Lawrence, Lynn, Revere and Winthrop are also high-risk.

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(Image credit Mass DPH)

Only one town, Westhampton, came off the high-risk list from the last weekly report.

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Red indicates municipalities with more than eight cases of COVID per 100,000 people, yellow indicates municipalities between four and eight cases per 100,000, which is considered a moderate risk level, green indicates municipalities with less than four cases per 100,000, white indicates less than five total cases of COVID-19 reported in the most recent 14-day period.