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Reports of Lyme Disease in Grafton County, New Hampshire

668

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

Ranked #5 of 10 counties in New Hampshire. That's 3.3% of New Hampshire's 20,388 confirmed cases.

Yearly Breakdown of Lyme Cases in Grafton County

Confirmed cases reported to the CDC each year.
View as a table
Confirmed Lyme disease cases in Grafton County by year
Year Confirmed cases
2000 4
2001 5
2002 2
2003 10
2004 6
2005 5
2006 7
2007 14
2008 18
2009 19
2010 45
2011 40
2012 42
2013 78
2014 26
2015 27
2016 41
2017 64
2018 81
2019 119
2020 15
2000–2020
Confirmed cases
    Grafton 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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