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Walgreens Flu Index: Flu incidence picking up in the West


DEERFIELD, Ill. — The flu is beginning to proliferate across the West, according to the latest Walgreens Flu Index report released Tuesday. Arizona and California are the top two states showing the greatest flu activity gains between Jan. 5 and Jan. 12. However, the flu is still going strong in the Midwest, as Oklahoma ranks highest amongs tates with flu activity for the week beginning Jan. 12. 


The top 10 states with flu activity are: 


  1. Oklahoma;

  2. Tennessee;

  3. Kentucky;

  4. Arkansas;

  5. Mississippi;

  6. Nebraska;

  7. South Carolina;

  8. Texas;

  9. Alabama; and

  10. Louisiana.

The top 10 states with the greatest flu activity gains are: 


  1. Arizona;

  2. California;

  3. Massachusetts;

  4. Oregon;

  5. Rhode Island;

  6. Connecticut;

  7. Idaho;

  8. Washington;

  9. New Mexico; and

  10. New York.

The top 10 designated marketing areas with flu activity are: 


  1. Knoxville, Tenn.;

  2. Oklahoma City, Okla.;

  3. Tri-Cities, Tenn. – Va.;

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

  5. Chattanooga, Tenn.;

  6. Columbia, S.C.;

  7. Little Rock-Pine Bluff, Ark.;

  8. Tulsa, Okla.;

  9. Dallas-Ft. Worth, Texas; and

  10. Richmond-Petersburg, Va.

The top 10 DMAs ranked by flu activity gains are: 


  1. El Paso, Texas (Las Cruces, N.M.);

  2. Greensboro-High Point-Winston Salem, N.C.;

  3. Buffalo, N.Y.;

  4. Phoenix (Prescott), Ariz.;

  5. Los Angeles;

  6. Wichita-Hutchinson, Kan.;

  7. Tucson (Sierra Vista), Ariz.;

  8. San Diego;

  9. Sacramento-Stockton-Modesto, Calif.; and

  10. Boise, Idaho.

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 resource for health departments, media and others at the local level.

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