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Walgreens Flu Index: Flu continues to rage across the South


DEERFIELD, Ill. — According to the Walgreens Flu Index for the week beginning Jan. 5, Knoxville, Tenn. is the No. 1 designated market area with flu activity, followed by the Paducah, Ky. area and Chattanooga, Tenn. Overall, Tennessee is the No. 2 state with flu activity, following Kentucky. 


For the week beginning Jan. 5, the top 10 DMAs with flu activity are:


  1. Knoxville, Tenn.;

  2. Paducah, Ky. – Cape Girardeau, Mo. – Harrisburg, Ill.;

  3. Chattanooga, Tenn.;

  4. Tri-Cities, Tenn. – Va.;

  5. Oklahoma City, Okla.;

  6. Columbia, S.C.;

  7. Nashville, Tenn.;

  8. Birmingham (Anniston and Tuscaloosa), Ala.;

  9. Dallas-Ft. Worth, Texas; and

  10. Austin, Texas. 


The top 10 states with flu activity are:


  1. Kentucky;

  2. Tennessee;

  3. Mississippi;

  4. Oklahoma;

  5. Alabama;

  6. Arkansas;

  7. South Carolina;

  8. Texas;

  9. Louisiana; and

  10. Colorado.


The top 10 DMAs as measured by flu activity gains from Dec. 29 through Jan. 5 are: 


  1. Knoxville, Tenn.;

  2. Richmond-Petersburg, Va.;

  3. Little Rock-Pine Bluff, Ark.;

  4. Tulsa, Okla.;

  5. Birmingham (Anniston and Tuscaloosa), Ala.;

  6. Ft. Smith-Fayetteville-Springdale-Rogers, Ark.;

  7. Oklahoma City, Okla.;

  8. Grand Rapids-Kalamazoo-Battle Creek, Mich.;

  9. Huntsville-Decatur (Florence), Ala.; and

  10. Salt Lake City, Utah. 


The top 10 states as measured by flu activity gains from Dec. 20 through Jan. 5 are:


  1. Arkansas;

  2. Oklahoma;

  3. Utah;

  4. Virginia;

  5. Alabama;

  6. Nebraska;

  7. Kentucky;

  8. Idaho;

  9. Tennessee; and

  10. New Mexico. 


The Walgreens Flu Index is a weekly report developed to provide state- and market-specific information regarding flu activity, and ranking of those experiencing the highest incidences of influenza across the country. With the ability to generate hyper-local data that’s as specific as a single zip code, the index aims to drive consumer awareness and prevention within communities, while also serving as a valuable resource for health departments, media and others at the local level.


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