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["Variable Name","Description","Data Source(s)","Notes"]
["Daily case rates per 100,000","The daily case rate in a zip code. Case rates are reported at the county level and distributed within a zip code based on HUD estimates.","https://usafacts.org/visualizations/coronavirus-covid-19-spread-map/","HUD estimates for proportion of all addresses within a county within a zipcode used to calculated proportion of population within a zip code"]
["Zip Code Populations","The number of people that live in a zip code. Estimates are generated from county-level ACS data and distributed within a zip code based on HUD estimates","HUD USPS ZIP Code Crosswalk Files | HUD USER","If district zip codes were mailing zip codes and not associated with populations (e.g., P.O. boxes), an an adjacent zip code was used"]
["County Populations","The number of people that lived in a county.","https://www.census.gov/programs-surveys/acs"]