Reports of Lyme Disease in Warren County, New Jersey
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4,635
Confirmed cases of Lyme disease in Warren County (2000 to 2020).
Ranked #5 of 21 counties in New Jersey. That's 5.9% of New Jersey's 79,049 confirmed cases.
Yearly Breakdown of Lyme Cases in Warren County
View as a table
| Year | Confirmed cases |
|---|---|
| 2000 | 149 |
| 2001 | 149 |
| 2002 | 195 |
| 2003 | 240 |
| 2004 | 135 |
| 2005 | 217 |
| 2006 | 159 |
| 2007 | 267 |
| 2008 | 257 |
| 2009 | 292 |
| 2010 | 188 |
| 2011 | 282 |
| 2012 | 196 |
| 2013 | 213 |
| 2014 | 108 |
| 2015 | 269 |
| 2016 | 243 |
| 2017 | 393 |
| 2018 | 244 |
| 2019 | 242 |
| 2020 | 197 |
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Lyme Stats for Other New Jersey Counties
| County | Confirmed cases | Share of state |
|---|---|---|
| Morris County | 9,524 | 12.0% |
| Hunterdon County | 7,171 | 9.1% |
| Monmouth County | 7,046 | 8.9% |
| Sussex County | 6,086 | 7.7% |
| Warren County | 4,635 | 5.9% |
| Ocean County | 4,163 | 5.3% |
| Burlington County | 3,884 | 4.9% |
| Somerset County | 3,859 | 4.9% |
| Bergen County | 3,850 | 4.9% |
| Mercer County | 3,459 | 4.4% |
| Middlesex County | 3,170 | 4.0% |
| Passaic County | 2,717 | 3.4% |
| Essex County | 2,511 | 3.2% |
| Gloucester County | 2,275 | 2.9% |
| Atlantic County | 2,183 | 2.8% |
| Cumberland County | 1,696 | 2.1% |
| Camden County | 1,310 | 1.7% |
| Union County | 1,303 | 1.6% |
| Salem County | 800 | 1.0% |
| Cape May County | 591 | 0.7% |
| Hudson County | 583 | 0.7% |
| Unknown County | 6,233 | 7.9% |
"Unknown County" counts cases the CDC confirmed in New Jersey 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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