Volume 31, Number 2—February 2025
CME ACTIVITY - Synopsis
National Surveillance of Human Ehrlichiosis Caused by Ehrlichia ewingii, United States, 2013–2021
Sydney N. Adams, Nicolette C. Bestul, Kimberly N. Calloway, Gilbert J. Kersh, and Johanna S. Salzer
Table 2
Ehrlichiosis cases caused by Ehrlichia ewingii reported to the National Notifiable Disease Surveillance System, United States, during 2013–2021 and 2008–2012*
| State or region | No. cases, 2013–2021 | No. cases, 2008–2012 |
|---|---|---|
| Alabama | 1 | 0 |
| Alaska | NN | NN |
| Arizona | 0 | 0 |
| Arkansas | 22 | 0 |
| California | 0 | 0 |
| Colorado | NN | NN |
| Connecticut† | 0 | 0 |
| Delaware | 5 | 5 |
| District of Columbia† | 0 | NN |
| Florida | 3 | 0 |
| Georgia | 0 | 1 |
| Hawaii | NN | NN |
| Idaho | NN | NN |
| Illinois | 4 | 1 |
| Indiana | 4 | 0 |
| Iowa† | 1 | NN |
| Kansas | 11 | 1 |
| Kentucky | 5 | 0 |
| Louisiana | 0 | 1 |
| Maine | 1 | 0 |
| Maryland | 7 | 2 |
| Massachusetts | 0 | 0 |
| Michigan | 0 | 0 |
| Minnesota | 2 | 2 |
| Mississippi | 2 | 0 |
| Missouri | 112 | 33 |
| Montana | 1 | NN |
| Nebraska | 0 | 0 |
| Nevada | 0 | 0 |
| New Hampshire | 2 | 0 |
| New Jersey | 11 | 0 |
| New Mexico | NN | NN |
| New York City | 2 | 0 |
| New York | 5 | 0 |
| North Carolina | 0 | 0 |
| North Dakota | 1 | 0 |
| Ohio | 0 | 1 |
| Oklahoma | 6 | 0 |
| Oregon | 0 | 0 |
| Pennsylvania | 0 | 0 |
| Rhode Island | 0 | 0 |
| South Carolina | 0 | 1 |
| South Dakota | 0 | 0 |
| Tennessee | 10 | 5 |
| Texas | 0 | 0 |
| Utah | 0 | 0 |
| Vermont | 0 | 0 |
| Virginia | 10 | 2 |
| Washington | 0 | 0 |
| West Virginia | 0 | 0 |
| Wisconsin | 3 | 0 |
| Wyoming | 0 | 0 |
*Ehrlichiosis caused by E. ewingii is not a notifiable disease in some states. NN, not notifiable (during the entire study period). †Ehrlichiosis caused by E. ewingii was not notifiable in the jurisdiction for part of the reporting period (Connecticut 2015–2021, District of Colombia 2013, Iowa 2013–2015). Data represent the years when the condition was notifiable in the jurisdiction.
Page created: December 10, 2024
Page updated: January 31, 2025
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