Census data provided by the U.S. Census Bureau, using data from the 2000 U.S. Census.
Zip code data provided by the U.S. Postal Service.
Broadcast media outlet data provided by the Federal Communications Commission.
Religion survey data provided by: Jones, Dale E., Sherri Doty, James E. Horsch, Richard Houseal, Mac Lynn, John P. Marcum, Kenneth M. Sanchagrin and Richard Taylor. 2002. Religious Congregations and Membership in the United States 2000: An Enumeration by Region, State and County Based on Data Reported by 149 Religious Bodies. Nashville, TN: Glenmary Research Center.
Migrant Clinic contact data provided by Migrant Clinic Network.
All other data from internal CDC sources.
- Content source: CDC Emergency Risk Communication Branch (ERCB), Division of Emergency Operations (DEO), Office of Public Health Preparedness and Response (OPHPR)