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Top 20 cities at risk for rodent problems

The final 12

Photo: wildcat78/iStock Photo

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The final 12

As the previous cities have shown, urban areas can't underestimate the importance of investing in infrastructure, sustainable development and urban planning. The remainder of the list still needs work in these areas to manage their own widespread rodent problems.

9. Milwaukee, Wis.

10. Detroit, Mich.

11. Columbus, Ohio

12. Baltimore, Md.

13. Oklahoma City, Okla.

14. Memphis, Tenn.

15. Portland, Ore.

16. El Paso, Texas

17. Nashville, Tenn.

18. Fort Worth, Texas

19. Jacksonville, Fla.

20. Dallas Texas