-**Boston, United States**
-Source: Massachusetts Department of Public Health
-Baseline years: 2015-2019
-Data frequency: weekly
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-**Chicago, United States**
-Source: Illinois Department of Public Health
-Baseline years: 2017-2019
-Data frequency: weekly
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-**Denver, United States**
-Source: Colorado Department of Public Health and Environment
-Baseline years: 2017-2019
-Data frequency: monthly
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-**Detroit, United States**
-Source: Michigan Department of Health and Human Services
-Baseline years: 2017-2019
-Data frequency: weekly
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-**Miami, United States**
-Source: Florida Department of Health
-Baseline years: 2015-2019
-Data frequency: monthly
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-**New York City, United States**
-Source: [Centers for Disease Control and Prevention](https://gis.cdc.gov/grasp/fluview/mortality.html)
-Baseline years: 2015-2019
-Data frequency: weekly
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