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Our Tick Testing Data
Each tick submitted for testing contributes to the research being conducted here at TickCheck. By keeping records of all the results generated, we have been able to gain valuable insights into disease prevalence and co-infection rates. The comprehensive testing panel has been especially helpful in contributing to this research by ensuring all diseases and coinfections are accounted for when examining a tick. Our current research shows that 44% of tick tested are infected with at least one pathogen, 32% are co-infected with two or more, 9% carry three or more, and 3% of the ticks tested carry four or more.
Infection Visualization by Tick Species
All Ticks Tested
44% Positive for Infection
Negative (56%)
24% Positive for Infection
Negative (76%)
14% Positive for Infection
Negative (86%)
3% Positive for Infection
Negative (97%)
Coinfection Visualization
4+ Coinfection (3%)
3+ Coinfection (9%)
2+ Coinfection (32%)
No Co-infection (68%)
Pathogenic Prevalence by Species & Life Stage
Generally, nymphal ticks will have fewer pathogen because they've had fewer opportunities to feed. Our data shows this as well.
Infection Rate for Borrelia burgdorferi between Adult Female and Nymphal Deer Ticks
Nymphal Deer Ticks
Sample size of 3,141 ticks.
24% Positive
76% Negative
Adult Female Deer Ticks
Sample size of 8,989 ticks.
36% Positive
64% Negative
Infection Rate for Anaplasma phagocytophilum between Adult Female and Nymphal Deer Ticks
Nymphal Deer Ticks
Sample size of 2,818 ticks.
Adult Female Deer Ticks
Sample size of 8,578 ticks.
10% Positive
90% Negative
Infection Rate for Rickettsia amblyommii between Adult Female and Nymphal Lone Star Ticks
Nymphal Lone Star Ticks
Sample size of 877 ticks.
49% Positive
51% Negative
Adult Female Lone Star Ticks
Sample size of 291 ticks.
51% Positive
49% Negative
Pathogenic Prevalence in New Jersey
The bars below show the positive/negative prevalence ratio of selected pathogens we test for.
These pathogens were observed in ticks from New Jersey.
Data set includes tests performed since TickCheck's founding in 2014 and is updated in real time.
Borrelia burgdorferi
(deer tick) associated with Lyme disease
Sample size of 1,233 ticks.
26% Positive
74% Negative
Borrelia burgdorferi
(lone star tick) associated with Lyme disease
Sample size of 757 ticks.
Borrelia burgdorferi
(American dog tick) associated with Lyme disease
Sample size of 500 ticks.
Anaplasma phagocytophilum
associated with anaplasmosis
Sample size of 1,574 ticks.
Babesia microti
associated with babesiosis
Sample size of 1,054 ticks.
Bartonella spp.
associated with bartonellosis
Sample size of 774 ticks.
10% Positive
90% Negative
Ehrlichia chaffeensis
associated with ehrlichiosis
Sample size of 1,100 ticks.
Rickettsia spp.
associated with Rocky Mountain spotted fever
Sample size of 578 ticks.
23% Positive
77% Negative
Francisella tularensis
associated with tularemia
Sample size of 719 ticks.
Borrelia miyamotoi
associated with B. miyamotoi
Sample size of 858 ticks.
Borrelia lonestari
associated with STARI
Sample size of 655 ticks.
Babesia spp.
associated with babesiosis
Sample size of 309 ticks.
13% Positive
87% Negative
Bartonella henselae
associated with cat-scratch fever
Sample size of 25 ticks.
Warning: Low Sample Size
0% Positive
100% Negative
Mycoplasma spp.
associated with Mycoplasma spp.
Sample size of 540 ticks.
Borrelia spp.
associated with Borrelia spp.
Sample size of 313 ticks.
26% Positive
74% Negative
Powassan virus General
associated with Powassan virus General
Sample size of 218 ticks.
Borrelia mayonii
associated with Lyme disease
Sample size of 396 ticks.
0% Positive
100% Negative
Ehrlichia ewingii
associated with ehrlichiosis
Sample size of 294 ticks.
0% Positive
100% Negative
Rickettsia amblyommii
associated with Rocky Mountain spotted fever
Sample size of 287 ticks.
19% Positive
81% Negative
Babesia duncani
associated with babesiosis
Sample size of 202 ticks.
0% Positive
100% Negative
Rickettsia rickettsii
associated with Rocky Mountain spotted fever
Sample size of 793 ticks.
0% Positive
100% Negative
Ehrlichia muris-like
associated with ehrlichiosis
Sample size of 203 ticks.
Ehrlichia spp.
associated with Ehrlichia spp.
Sample size of 50 ticks.
0% Positive
100% Negative
Anaplasma spp.
associated with Anaplasma spp.
Sample size of 50 ticks.
Anaplasma phagocytophilum - Deer Variant
associated with non-human anaplasmosis
Sample size of 167 ticks.
Anaplasma phagocytophilum - Human Active
associated with anaplasmosis
Sample size of 167 ticks.
Powassan virus Lineage Ⅱ
associated with Deer Tick Virus
Sample size of 36 ticks.
Warning: Low Sample Size
Powassan virus Lineage Ⅰ
associated with Powassan virus Lineage Ⅰ
Sample size of 36 ticks.
Warning: Low Sample Size
0% Positive
100% Negative
Pathogen and co-infected tick prevalence data is © TickCheck, and is derived from our tick testing results and laboratory research.