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Reports of Lyme Disease in Tennessee

2000–2020
Confirmed cases

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    611

    Confirmed cases of Lyme disease in Tennessee (2000 to 2020).

    Yearly Breakdown

    Confirmed cases reported to the CDC each year.
    View as a table
    Confirmed Lyme disease cases in Tennessee by year
    Year Confirmed cases
    2000 28
    2001 31
    2002 28
    2003 20
    2004 20
    2005 8
    2006 15
    2007 31
    2008 31
    2009 37
    2010 36
    2011 37
    2012 30
    2013 25
    2014 17
    2015 26
    2016 25
    2017 47
    2018 29
    2019 62
    2020 28

    Tennessee's Counties

    Confirmed Lyme disease cases by county in Tennessee, 2000 to 2020
    County Confirmed cases Share of state
    Davidson County 52 8.5%
    Shelby County 48 7.9%
    Knox County 34 5.6%
    Hamilton County 26 4.3%
    Sumner County 24 3.9%
    Washington County 24 3.9%
    Williamson County 20 3.3%
    Montgomery County 17 2.8%
    Sullivan County 15 2.5%
    Cumberland County 14 2.3%
    Greene County 13 2.1%
    Hawkins County 12 2.0%
    Carter County 11 1.8%
    Dickson County 11 1.8%
    Wilson County 10 1.6%
    Putnam County 9 1.5%
    Madison County 8 1.3%
    Anderson County 7 1.1%
    Henry County 7 1.1%
    Carroll County 6 1.0%
    Lawrence County 6 1.0%
    Cheatham County 5 0.8%
    Fentress County 5 0.8%
    Giles County 5 0.8%
    Henderson County 5 0.8%
    Macon County 5 0.8%
    Robertson County 5 0.8%
    Unicoi County 5 0.8%
    Blount County 4 0.7%
    Bradley County 4 0.7%
    Claiborne County 4 0.7%
    Houston County 4 0.7%
    Johnson County 4 0.7%
    Loudon County 4 0.7%
    McNairy County 4 0.7%
    Scott County 4 0.7%
    Sevier County 4 0.7%
    Weakley County 4 0.7%
    White County 4 0.7%
    Bedford County 3 0.5%
    Campbell County 3 0.5%
    Clay County 3 0.5%
    Dyer County 3 0.5%
    Franklin County 3 0.5%
    Hamblen County 3 0.5%
    Hickman County 3 0.5%
    Maury County 3 0.5%
    Overton County 3 0.5%
    Roane County 3 0.5%
    Rutherford County 3 0.5%
    Wayne County 3 0.5%
    Cannon County 2 0.3%
    Cocke County 2 0.3%
    DeKalb County 2 0.3%
    Decatur County 2 0.3%
    Gibson County 2 0.3%
    Hardeman County 2 0.3%
    Hardin County 2 0.3%
    Humphreys County 2 0.3%
    Jefferson County 2 0.3%
    McMinn County 2 0.3%
    Perry County 2 0.3%
    Pickett County 2 0.3%
    Rhea County 2 0.3%
    Sequatchie County 2 0.3%
    Stewart County 2 0.3%
    Warren County 2 0.3%
    Benton County 1 0.2%
    Chester County 1 0.2%
    Grainger County 1 0.2%
    Hancock County 1 0.2%
    Haywood County 1 0.2%
    Lauderdale County 1 0.2%
    Lincoln County 1 0.2%
    Marion County 1 0.2%
    Meigs County 1 0.2%
    Morgan County 1 0.2%
    Polk County 1 0.2%
    Smith County 1 0.2%
    Tipton County 1 0.2%
    Trousdale County 1 0.2%
    Union County 1 0.2%
    Bledsoe County 0 0.0%
    Coffee County 0 0.0%
    Crockett County 0 0.0%
    Fayette County 0 0.0%
    Grundy County 0 0.0%
    Jackson County 0 0.0%
    Lake County 0 0.0%
    Lewis County 0 0.0%
    Marshall County 0 0.0%
    Monroe County 0 0.0%
    Moore County 0 0.0%
    Obion County 0 0.0%
    Van Buren County 0 0.0%
    Unknown County 75 12.3%

    "Unknown County" counts cases the CDC confirmed in Tennessee without a county of residence. They are included in the state total but not on the map.

    Data Sources

    All Lyme disease prevalence data sourced from the Centers for Disease Control and Prevention's surveillance data. Cases are counted by the patient's county of residence, which may not be where the tick bite occurred.

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