Arkansas Department of Health

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Data from Animals & Insects

	Year
Tick Related Illness	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Anaplasmosis	8	8	7	15	16	15	6	8	9	12	12
Babesiosis	0	0	0	0	0	1	0	2	1	1	2
Bourbon Virus	0	0	0	0	0	0	0	0	1	0	0
Ehrlichiosis	53	84	165	237	194	203	207	141	232	160	119
Heartland Virus	0	0	0	0	0	0	2	1	1	0	0
Lyme disease	n/a	n/a	n/a	n/a	1	7	7	4	19	12	11
Spotted Fever Rickettsiosis	558	835	488	826	891	821	1,216	1,066	1,085	215*	169
Tularemia	39	26	41	43	24	24	32	57	95	36	21
Year Total	658	953	701	1,121	1,126	1,071	1,470	1,279	1,443	221	334

*The case definition for Spotted Fever Rickettsiosis was revised in 2020, resulting in fewer reports meeting confirmed or probable case definition for surveillance purposes.

	Year
Mosquito Related Illness - Locally Acquired	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Eastern equine Encephalitis (EEE)	0	0	1	0	0	0	0	0	0	0	0
St. Louis Encephalitis (SLE)	3	0	0	0	0	0	0	0	0	0	0
California Serogroup Encephalitis	0	1	0	0	0	0	0	0	0	0	0
West Nile virus (WNV)	1	64	18	11	18	9	18	8	9	1	9
Year Total	4	65	19	11	18	9	18	8	9	1	9

 

				Year
Mosquito Illness in Animals - Horses	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
EEE (horses)	0	1	3	0	0	1	2	0	7	0	5
WNV (horses)	0	9	8	1	3	10	1	2	1	0	0
Year Total	0	10	11	1	3	11	3	2	8	0	5

 

	Year
Mosquito Travel Associated	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Malaria	6	4	2	7	9	6	5	2	0	3	2
Chikungunya Virus	0	0	0	7	4	1	0	0	0	0	0
Dengue	0	1	2	4	1	3	0	2	3	1	0
Zika	0	0	0	0	3	16	2	0	0	0	0
Year Total	6	5	4	18	17	26	7	4	3	4	2

 

	Year
Other Zoonotic Related Illness	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Animal Rabies	60	131	152	151	73	23	42	31	26	33	24
Blastomycosis	6	9	9	6	22	8	12	4	25	23	27
Brucellosis	3	1	3	0	1	3	1	2	3	2	2
Chagas Disease	0	0	0	1	0	2	0	0	2	1	2
Coccidioidomycosis	1	0	0	0	7	1	7	6	11	8	8
Histoplasmosis	66	51	56	67	60	73	159	40	88	69	87
Q-Fever	5	1	3	5	3	5	4	3	2	0	2
Toxoplasmosis	1	1	4	9	2	11	12	15	20	26	82
Typhus fever-fleaborne, murine	1	2	2	3	2	2	1	0	9	2	0

*The Arkansas Department of Health (ADH) is an active participant in the National Electronic Disease Surveillance System (NEDSS), developed by the Centers for Disease Control and Prevention (CDC) to improve the public health monitoring of diseases, and utilizes a NEDSS Based System (NBS) for notifying the CDC of reportable disease cases. Cases are identified as lab reports submitted to the ADH that has either a Confirmed or Probable case status as defined by the Council of State and Territorial Epidemiologists (CSTE) case definition position statements. These position statements are reviewed and revised periodically as needed, so the case definition may change between years which could result in a significant change, either increase or decrease, in the number of case counts reported each year.

Zoonotic Reports

Zoonotic Disease Report: 2020 | 2019 | 2018

Tickborne Disease (2020)

Mosquito Surveillance Report (2019)

 

For Health Care Professionals: Case Definition

The Arkansas Department of Health utilizes the Centers for Disease Control and Prevention (CDC) case definitions for reporting and surveillance purposes for all tick and mosquito related diseases (including Lyme). 

Surveillance case definitions are not intended to be used by healthcare providers for making a clinical diagnosis or determining how to meet an individual patient’s health needs.

Current case definitions for all diseases can be found on the CDC website.

 

Points for Patients

The Arkansas Department of Health is not responsible for diagnosing and testing for tickborne and most mosquito-related diseases. ADH is mainly responsible for reporting laboratory and healthcare professional-confirmed cases for surveillance purposes. It is important to recognize cases of disease when they occur, so ADH examines every disease-related lab result of tick and mosquito-related illness that is reported. Ticks and mosquitoes can be found throughout Arkansas. To avoid all tickborne and mosquito-related illnesses, you can take these measures to prevent insect bites - click here.