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Reports of Lyme Disease in Caroline County, Maryland

382

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

Ranked #19 of 24 counties in Maryland. That's 1.2% of Maryland's 31,487 confirmed cases.

Yearly Breakdown of Lyme Cases in Caroline County

Confirmed cases reported to the CDC each year.
View as a table
Confirmed Lyme disease cases in Caroline County by year
Year Confirmed cases
2000 21
2001 20
2002 7
2003 6
2004 20
2005 20
2006 22
2007 24
2008 30
2009 33
2010 17
2011 10
2012 38
2013 20
2014 20
2015 14
2016 13
2017 21
2018 4
2019 12
2020 10
2000–2020
Confirmed cases
    Caroline County

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    Lyme Stats for Other Maryland Counties

    Confirmed Lyme disease cases by county in Maryland, 2000 to 2020
    County Confirmed cases Share of state
    Montgomery County 3,670 11.7%
    Howard County 3,152 10.0%
    Baltimore County 2,906 9.2%
    Anne Arundel County 2,432 7.7%
    Harford County 2,295 7.3%
    Carroll County 2,289 7.3%
    Frederick County 2,138 6.8%
    Cecil County 1,458 4.6%
    Washington County 1,070 3.4%
    Calvert County 1,069 3.4%
    Prince George's County 1,024 3.3%
    Queen Anne's County 945 3.0%
    Charles County 675 2.1%
    Allegany County 615 2.0%
    St. Mary's County 564 1.8%
    Baltimore city 557 1.8%
    Talbot County 544 1.7%
    Kent County 465 1.5%
    Caroline County 382 1.2%
    Wicomico County 371 1.2%
    Worcester County 175 0.6%
    Dorchester County 163 0.5%
    Somerset County 152 0.5%
    Garrett County 92 0.3%
    Unknown County 2,284 7.3%

    "Unknown County" counts cases the CDC confirmed in Maryland 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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