20260224 11543000 1.0 TRUE 002 5000000 500000 NAP 768F4982-07B9-442D-BF42-38BCC1EFDA4F dataset Nebraska Department of Health and Human Services GIS Informatician dhhs.gis@nebraska.gov Nebraska Department of Health and Human Services 20260320 A query layer containing annual establishment status and maximum likelihood estimates of pathogen presence for Blacklegged Ticks in Nebraska counties. <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>A query layer containing annual establishment status and maximum likelihood estimates of pathogen presence for Blacklegged Ticks in Nebraska counties. This data is to be used in the Vector Borne Disease Tick Surveillance web experience.</SPAN></P></DIV></DIV></DIV> Nebraska Department of Health and Human Services, VectorSurv BlackleggedTicksAnnual Blacklegged Tick Annual Estimates and Establishment Status 2026-02-24T00:00:00 Nebraska Department of Health and Human Services GIS Informatician dhhs.gis@nebraska.gov DHHS Department of Health and Human Services Health Nebraska NE Nebraska Department of Health and Human Services Division of Public Health DPH Emerging Infectious Disease Program Vector Borne Disease VBD Tick Blacklegged Tick Establishment MLE Maximum Likelihood Estimate Query Layer Nebraska Department of Health and Human Services Vector Borne Disease Program Manager dhhs.vectorborne@nebraska.gov Nebraska Department of Health and Human Services GIS Informatician dhhs.gis@nebraska.gov Nebraska Department of Health and Human Services <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Data was designed to be used in Nebraska Department of Health and Human Services GIS applications that will be shared for public use on NebraskaMap.gov. Use outside this application is not recommended. Data is subject to change without notice.</SPAN></P></DIV></DIV></DIV> Esri ArcGIS 13.4.0.55405 -104.1 -95.3 43 40 1 Health, Tick, Blacklegged Tick, Establishment, MLE, Maximum Likelihood Estimate Nebraska, NE DHHS, Department of Health and Human Services, Division of Public Health, DPH, Emerging Infectious Disease Program, Vector Borne Disease, VBD Query Layer Nebraska Department of Health and Human Services GIS Informatician dhhs.gis@nebraska.gov Nebraska Department of Health and Human Services Raw surveillance data are extracted from the VectorSurv database through the VectorSurv API, processed into rates and maximum likelihood estimates, and written to the ArcGIS Server using an R script scheduled to run on a weekly basis. VectorSurv Tick Surveillance Data VectorSurv 2026-02-24T00:00:00 BlackleggedTicksAnnual Table 558 Table Esri county County County FIPS code US Census Bureau String 255 0 0 009 Federal Information Processing Standards Codes ANSI year Year The year associated with a given county's surveillance data Nebraska Department of Health and Human Services String 255 0 0 009 Four-digit year Aphagocytophilum_Confirmed A. phagocytophilum Confirmed Pools Integer 4 10 0 Number of pools confirmed for A. phagocytophilum Nebraska Department of Health and Human Services 003 0 1000 Pools Aphagocytophilum_Negative A. phagocytophilum Negative Pools Integer 4 10 0 Number of pools negative for A. phagocytophilum Nebraska Department of Health and Human Services 003 0 1000 Pools Bburgdorferiss_Confirmed B. burgdorferi s.s. Confirmed Pools Integer 4 10 0 Number of pools confirmed for B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 1000 Pools Bburgdorferiss_Negative B. burgdorferi s.s. Negative Pools Integer 4 10 0 Number of pools negative for B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 1000 Pools Bmayonii_Confirmed B. mayonii Confirmed Pools Integer 4 10 0 Number of pools confirmed for B. mayonii Nebraska Department of Health and Human Services 003 0 1000 Pools Bmayonii_Negative B. mayonii Negative Pools Integer 4 10 0 Number of pools negative for B. mayonii Nebraska Department of Health and Human Services 003 0 1000 Pools Bmicroti_Confirmed B. microti Confirmed Pools Integer 4 10 0 Number of pools confirmed for B. microti Nebraska Department of Health and Human Services 003 0 1000 Pools Bmicroti_Negative B. microti Negative Pools Integer 4 10 0 Number of pools negative for B. microti Nebraska Department of Health and Human Services 003 0 1000 Pools Bmiyamotoi_Confirmed B. miyamotoi Confirmed Pools Integer 4 10 0 Number of pools confirmed for B. miyamotoi Nebraska Department of Health and Human Services 003 0 1000 Pools Bmiyamotoi_Negative B. miyamotoi Negative Pools Integer 4 10 0 Number of pools negative for B. miyamotoi Nebraska Department of Health and Human Services 003 0 1000 Pools Emuriseauclairensis_Confirmed E. muris eauclairensis Confirmed Pools Integer 4 10 0 Number of pools confirmed for E. muris eauclairensis Nebraska Department of Health and Human Services 003 0 1000 Pools Emuriseauclairensis_Negative E. muris eauclairensis Negative Pools Integer 4 10 0 Number of pools negative for E. muris eauclairensis Nebraska Department of Health and Human Services 003 0 1000 Pools Aphagocytophilum_Total A. phagocytophilum Total Pools Integer 4 10 0 Total number of pools confirmed or negative for A. phagocytophilum Nebraska Department of Health and Human Services 003 0 1000 Pools Aphagocytophilum_Rate A. phagocytophilum Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for A. phagocytophilum over the total number of pools confirmed or negative for A. phagocytophilum Nebraska Department of Health and Human Services 003 0 1 Bburgdorferiss_Total B. burgdorferi s.s. Total Pools Integer 4 10 0 Total number of pools confirmed or negative for B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 1000 Pools Bburgdorferiss_Rate B. burgdorferi s.s. Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for B. burgdorferi s.s. over the total number of pools confirmed or negative for B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 1 Bmayonii_Total B. mayonii Total Pools Integer 4 10 0 Total number of pools confirmed or negative for B. mayonii Nebraska Department of Health and Human Services 003 0 1000 Pools Bmayonii_Rate B. mayonii Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for B. mayonii over the total number of pools confirmed or negative for B. mayonii Nebraska Department of Health and Human Services 003 0 1 Bmicroti_Total B. microti Total Pools Integer 4 10 0 Total number of pools confirmed or negative for B. microti Nebraska Department of Health and Human Services 003 0 1000 Pools Bmicroti_Rate B. microti Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for B. microti over the total number of pools confirmed or negative for B. microti Nebraska Department of Health and Human Services 003 0 1 Bmiyamotoi_Total B. miyamotoi Total Pools Integer 4 10 0 Total number of pools confirmed or negative for B. miyamotoi Nebraska Department of Health and Human Services 003 0 1000 Pools Bmiyamotoi_Rate B. miyamotoi Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for B. miyamotoi over the total number of pools confirmed or negative for B. miyamotoi Nebraska Department of Health and Human Services 003 0 1 Emuriseauclairensis_Total E. muris eauclairensis Total Pools Integer 4 10 0 Total number of pools confirmed or negative for E. muris eauclairensis Nebraska Department of Health and Human Services 003 0 1000 Pools Emuriseauclairensis_Rate E. muris eauclairensis Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for E. muris eauclairensis over the total number of pools confirmed or negative for E. muris eauclairensis Nebraska Department of Health and Human Services 003 0 1 Ehrlichiosis_Negative Ehrlichiosis Negative Pools Number of pools negative for Ehrlichiosis-causing pathogens, including E. muris eauclairensis Nebraska Department of Health and Human Services Long 32 10 0 003 0 1000 Pools Ehrlichiosis_Confirmed Ehrlichiosis Confirmed Pools Number of pools confirmed for Ehrlichiosis-causing pathogens, including E. muris eauclairensis Nebraska Department of Health and Human Services Long 32 10 0 003 0 1000 Pools Ehrlichiosis_Total Ehrlichiosis Total Pools Total number of pools confirmed or negative for Ehrlichiosis-causing pathogens, including E. muris eauclairensis Nebraska Department of Health and Human Services Long 32 10 0 003 0 1000 Pools Ehrlichiosis_Rate Ehrlichiosis Positivity Rate Simple rate of the number of pools confirmed for Ehrlichiosis-causing pathogens, including E. muris eauclairensis, over the total number of pools confirmed or negative for Ehrlichiosis-causing pathogens Nebraska Department of Health and Human Services Double 8 0 0 003 0 1 Anaplasmosis_Negative Anaplasmosis Negative Pools Integer 4 10 0 Number of pools negative for Anaplasmosis-causing pathogens, including A. phagocytophilum Nebraska Department of Health and Human Services 003 0 1000 Pools Anaplasmosis_Confirmed Anaplasmosis Confirmed Pools Integer 4 10 0 Number of pools confirmed for Anaplasmosis-causing pathogens, including A. phagocytophilum Nebraska Department of Health and Human Services 003 0 1000 Pools Anaplasmosis_Total Anaplasmosis Total Pools Integer 4 10 0 Total number of pools confirmed or negative for Anaplasmosis-causing pathogens, including A. phagocytophilum Nebraska Department of Health and Human Services 003 0 1000 Pools Anaplasmosis_Rate Anaplasmosis Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for Anaplasmosis-causing pathogens, including A. phagocytophilum, over the total number of pools confirmed or negative for Anaplasmosis-causing pathogens Nebraska Department of Health and Human Services 003 0 1 Babesiosis_Negative Babesiosis Negative Pools Integer 4 10 0 Number of pools negative for Babesiosis-causing pathogens, including B. microti Nebraska Department of Health and Human Services 003 0 1000 Pools Babesiosis_Confirmed Babesiosis Confirmed Pools Integer 4 10 0 Number of pools confirmed for Babesiosis-causing pathogens, including B. microti Nebraska Department of Health and Human Services 003 0 1000 Pools Babesiosis_Total Babesiosis Total Pools Integer 4 10 0 Total number of pools confirmed or negative for Babesiosis-causing pathogens, including B. microti Nebraska Department of Health and Human Services 003 0 1000 Pools Babesiosis_Rate Babesiosis Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for Babesiosis-causing pathogens, including B. microti, over the total number of pools confirmed or negative for Babesiosis-causing pathogens Nebraska Department of Health and Human Services 003 0 1 HardTick_Negative Hard Tick Relapsing Fever Negative Pools Integer 4 10 0 Number of pools negative for Hard Tick Relapsing Fever-causing pathogens, including B. miyamotoi Nebraska Department of Health and Human Services 003 0 1000 Pools HardTick_Confirmed Hard Tick Relapsing Fever Confirmed Pools Integer 4 10 0 Number of pools confirmed for Hard Tick Relapsing Fever-causing pathogens, including B. miyamotoi Nebraska Department of Health and Human Services 003 0 1000 Pools HardTick_Total Hard Tick Relapsing Fever Total Pools Integer 4 10 0 Total number of pools confirmed or negative for Hard Tick Relapsing Fever-causing pathogens, including B. miyamotoi Nebraska Department of Health and Human Services 0 1000 Pools HardTick_Rate Hard Tick Relapsing Fever Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for Hard Tick Relapsing Fever-causing pathogens, including B. miyamotoi, over the total number of pools confirmed or negative for Hard Tick Relapsing Fever-causing pathogens Nebraska Department of Health and Human Services 003 0 1 Lyme_Negative Lyme Disease Negative Pools Integer 4 10 0 Number of pools negative for Lyme Disease-causing pathogens, including B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 1000 Pools Lyme_Confirmed Lyme Disease Confirmed Pools Integer 4 10 0 Number of pools confirmed for Lyme Disease-causing pathogens, including B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 1000 Pools Lyme_Total Lyme Disease Total Pools Integer 4 10 0 Total number of pools confirmed or negative for Lyme Disease-causing pathogens, including B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 1000 Pools Lyme_Rate Lyme Disease Positivity Rate Double 8 0 0 Simple rate of the number of pools confirmed for Lyme Disease-causing pathogens, including B. burgdorferi s.s., over the total number of pools confirmed or negative for Lyme Disease-causing pathogens Nebraska Department of Health and Human Services 003 0 1 P_Lyme Lyme Disease Maximum Likelihood Estimate Double 8 0 0 Maximum Likelihood Estimate for Lyme Disease-causing pathogens, including B. burgdorferi s.s. The Maximum Likelihood Estimate describes the most probable infection rate within the tick population based on the size and positivity of tick pools tested for pathogens. It can be interpreted as the estimated number of ticks confirmed for the pathogens per 100 ticks tested. Nebraska Department of Health and Human Services 003 0 100 Percent P_HardTick Hard Tick Relapsing Fever Maximum Likelihood Estimate Double 8 0 0 Maximum Likelihood Estimate for Hard Tick Relapsing Fever-causing pathogens, including B. miyamotoi. The Maximum Likelihood Estimate describes the most probable infection rate within the tick population based on the size and positivity of tick pools tested for pathogens. It can be interpreted as the estimated number of ticks confirmed for the pathogens per 100 ticks tested. Nebraska Department of Health and Human Services 003 0 100 Percent P_Anaplasmosis Anaplasmosis Maximum Likelihood Estimate Double 8 0 0 Maximum Likelihood Estimate for Anaplasmosis-causing pathogens, including A. phagocytophilum. The Maximum Likelihood Estimate describes the most probable infection rate within the tick population based on the size and positivity of tick pools tested for pathogens. It can be interpreted as the estimated number of ticks confirmed for the pathogens per 100 ticks tested. Nebraska Department of Health and Human Services 003 0 100 Percent P_Babesiosis Babesiosis Maximum Likelihood Estimate Double 8 0 0 Maximum Likelihood Estimate for Babesiosis-causing pathogens, including B. microti. The Maximum Likelihood Estimate describes the most probable infection rate within the tick population based on the size and positivity of tick pools tested for pathogens. It can be interpreted as the estimated number of ticks confirmed for the pathogens per 100 ticks tested. Nebraska Department of Health and Human Services 003 0 100 Percent P_Ehrlichiosis Ehrlichiosis Maximum Likelihood Estimate Maximum Likelihood Estimate for Ehrlichiosis-causing pathogens, including E. muris eauclairensis. The Maximum Likelihood Estimate describes the most probable infection rate within the tick population based on the size and positivity of tick pools tested for pathogens. It can be interpreted as the estimated number of ticks confirmed for the pathogens per 100 ticks tested. Nebraska Department of Health and Human Services Double 8 0 0 003 0 100 Percent Lower_Lyme Lower Bound of Lyme Disease Maximum Likelihood Estimate Confidence Interval Double 8 0 0 Lower bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Lyme Disease-causing pathogens, including B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 100 Percent Lower_HardTick Lower Bound of Hard Tick Relapsing Fever Maximum Likelihood Estimate Confidence Interval Double 8 0 0 Lower bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Hard Tick Relapsing Fever-causing pathogens, including B. miyamotoi Nebraska Department of Health and Human Services 003 0 100 Percent Lower_Anaplasmosis Lower Bound of Anaplasmosis Maximum Likelihood Estimate Confidence Interval Double 8 0 0 Lower bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Anaplasmosis-causing pathogens, including A. phagocytophilum Nebraska Department of Health and Human Services 003 0 100 Percent Lower_Babesiosis Lower Bound of Babesiosis Maximum Likelihood Estimate Confidence Interval Double 8 0 0 Lower bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Babesiosis-causing pathogens, including B. microti Nebraska Department of Health and Human Services 0 100 Percent Lower_Ehrlichiosis Lower Bound of Ehrlichiosis Maximum Likelihood Estimate Confidence Interval Lower bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Ehrlichiosis-causing pathogens, including E. muris eauclairensis Nebraska Department of Health and Human Services Double 8 0 0 003 0 100 Percent Upper_Lyme Upper Bound of Lyme Disease Maximum Likelihood Estimate Confidence Interval Double 8 0 0 Upper bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Lyme Disease-causing pathogens, including B. burgdorferi s.s. Nebraska Department of Health and Human Services 003 0 100 Percent Upper_HardTick Upper Bound of Hard Tick Relapsing Fever Maximum Likelihood Estimate Confidence Interval Double 8 0 0 Upper bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Hard Tick Relapsing Fever-causing pathogens, including B. miyamotoi Nebraska Department of Health and Human Services 003 0 100 Percent Upper_Anaplasmosis Upper Bound of Anaplasmosis Maximum Likelihood Estimate Confidence Interval Double 8 0 0 Upper bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Anaplasmosis-causing pathogens, including A. phagocytophilum Nebraska Department of Health and Human Services 003 0 100 Percent Upper_Babesiosis Upper Bound of Babesiosis Maximum Likelihood Estimate Confidence Interval Double 8 0 0 Upper bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Babesiosis-causing pathogens, including B. microti Nebraska Department of Health and Human Services 003 0 100 Percent Upper_Ehrlichiosis Upper Bound of Ehrlichiosis Maximum Likelihood Estimate Confidence Interval Upper bound of the Likelihood Ratio Test-based 95% confidence interval for the Maximum Likelihood Estimate for Ehrlichiosis-causing pathogens, including E. muris eauclairensis Nebraska Department of Health and Human Services Double 8 0 0 003 0 100 Percent OBJECTID OBJECTID Internal feature number. Esri OID 4 10 0 003 Sequential unique whole numbers that are automatically generated. NAMELSAD County Name County Name State of Nebraska String 20 0 0 012 State of Nebraska County Names State of Nebraska establishmentStatus Establishment Status The establishment status for Blacklegged Ticks in a given county for a given year Centers for Disease Control and Prevention String 255 0 0 009 Not Sampled No tick collection has been performed during this year or a previous year for this county Centers for Disease Control and Prevention No Known Populations No ticks have been collected during this year or a previous year for this county Centers for Disease Control and Prevention Reported One to five ticks from the same life stage (larvae, nymphs, adults) have been collected during this year or a previous year for this county Centers for Disease Control and Prevention Established At least six total ticks or ticks from two or more life stages (larvae, nymphs, adults) have been collected during this year or a previous year for this county Centers for Disease Control and Prevention Shape Shape Geometry information for the feature Esri Geometry 0 0 0 012 Binary large object ESPG 558