Reports of Lyme Disease in Arizona
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Confirmed cases
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230
Confirmed cases of Lyme disease in Arizona (2000 to 2020).
Yearly Breakdown
View as a table
| Year | Confirmed cases |
|---|---|
| 2000 | 2 |
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 4 |
| 2004 | 13 |
| 2005 | 10 |
| 2006 | 10 |
| 2007 | 2 |
| 2008 | 8 |
| 2009 | 7 |
| 2010 | 2 |
| 2011 | 15 |
| 2012 | 13 |
| 2013 | 32 |
| 2014 | 21 |
| 2015 | 12 |
| 2016 | 13 |
| 2017 | 28 |
| 2018 | 7 |
| 2019 | 20 |
| 2020 | 4 |
Arizona's Counties
| County | Confirmed cases | Share of state |
|---|---|---|
| Maricopa County | 100 | 43.5% |
| Pima County | 49 | 21.3% |
| Coconino County | 12 | 5.2% |
| Mohave County | 10 | 4.3% |
| Yavapai County | 10 | 4.3% |
| Pinal County | 9 | 3.9% |
| Cochise County | 8 | 3.5% |
| Gila County | 5 | 2.2% |
| Navajo County | 4 | 1.7% |
| Graham County | 3 | 1.3% |
| Santa Cruz County | 3 | 1.3% |
| Yuma County | 3 | 1.3% |
| Apache County | 1 | 0.4% |
| La Paz County | 1 | 0.4% |
| Greenlee County | 0 | 0.0% |
| Unknown County | 12 | 5.2% |
"Unknown County" counts cases the CDC confirmed in Arizona 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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