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Reports of Lyme Disease in Carroll County, New Hampshire

607

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

Ranked #6 of 10 counties in New Hampshire. That's 3% of New Hampshire's 20,388 confirmed cases.

Yearly Breakdown of Lyme Cases in Carroll County

Confirmed cases reported to the CDC each year.
View as a table
Confirmed Lyme disease cases in Carroll County by year
Year Confirmed cases
2000 2
2001 1
2002 9
2003 2
2004 9
2005 4
2006 5
2007 19
2008 16
2009 18
2010 35
2011 53
2012 48
2013 60
2014 14
2015 12
2016 35
2017 68
2018 73
2019 96
2020 28
2000–2020
Confirmed cases
    Carroll County

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    Lyme Stats for Other New Hampshire Counties

    Confirmed Lyme disease cases by county in New Hampshire, 2000 to 2020
    County Confirmed cases Share of state
    Rockingham County 6,223 30.5%
    Hillsborough County 4,957 24.3%
    Strafford County 2,324 11.4%
    Merrimack County 1,828 9.0%
    Grafton County 668 3.3%
    Carroll County 607 3.0%
    Cheshire County 602 3.0%
    Belknap County 521 2.6%
    Sullivan County 354 1.7%
    Coos County 85 0.4%
    Unknown County 2,219 10.9%

    "Unknown County" counts cases the CDC confirmed in New Hampshire 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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