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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 58% of tick tested are infected with at least one disease causing organism, 39% are co-infected with two or more, 12% carry three or more, and 4% of the ticks tested carry four or more.
Infection Visualization by Tick Species
All Ticks Tested
58% Positive for Infection
Negative (42%)
29% Positive for Infection
Negative (71%)
19% Positive for Infection
Negative (81%)
7% Positive for Infection
Negative (93%)
Coinfection Visualization
4+ Coinfection (4%)
3+ Coinfection (12%)
2+ Coinfection (39%)
No Co-infection (61%)
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 1,639 ticks.
25% Positive
75% Negative
Adult Female Deer Ticks
Sample size of 3,725 ticks.
38% Positive
62% Negative
Infection Rate for Anaplasma phagocytophilum between Adult Female and Nymphal Deer Ticks
Nymphal Deer Ticks
Sample size of 1,320 ticks.
10% Positive
90% Negative
Adult Female Deer Ticks
Sample size of 3,318 ticks.
13% Positive
87% Negative
Infection Rate for Rickettsia amblyommii between Adult Female and Nymphal Lone Star Ticks
Nymphal Deer Ticks
Sample size of 420 ticks.
49% Positive
51% Negative
Adult Female Deer Ticks
Sample size of 129 ticks.
51% Positive
49% Negative
Pathogenic Prevalence in New Hampshire
The bars below show the positive/negative prevalence ratio of selected pathogens we test for.
These pathogens were observed in ticks from New Hampshire.
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 257 ticks.
37% Positive
63% Negative
Borrelia burgdorferi
(American dog tick) associated with Lyme disease
Sample size of 79 ticks.
Anaplasma phagocytophilum
associated with anaplasmosis
Sample size of 220 ticks.
11% Positive
89% Negative
Babesia microti
associated with babesiosis
Sample size of 208 ticks.
Bartonella spp.
associated with bartonellosis
Sample size of 81 ticks.
22% Positive
78% Negative
Ehrlichia chaffeensis
associated with ehrlichiosis
Sample size of 58 ticks.
0% Positive
100% Negative
Rickettsia spp.
associated with Rocky Mountain spotted fever
Sample size of 44 ticks.
Warning: Low Sample Size
Francisella tularensis
associated with tularemia
Sample size of 30 ticks.
Warning: Low Sample Size
Borrelia miyamotoi
associated with B. miyamotoi
Sample size of 76 ticks.
Babesia spp.
associated with babesiosis
Sample size of 44 ticks.
Warning: Low Sample Size
Mycoplasma spp.
associated with Mycoplasma spp.
Sample size of 51 ticks.
Borrelia spp.
associated with Borrelia spp.
Sample size of 35 ticks.
Warning: Low Sample Size
34% Positive
66% Negative
Powassan virus Lineage II
associated with Deer tick virus
Sample size of 28 ticks.
Warning: Low Sample Size
0% Positive
100% Negative
Borrelia mayonii
associated with Lyme disease
Sample size of 57 ticks.
0% Positive
100% Negative
Pathogen and co-infected tick prevalence data is © TickCheck, and is derived from our tick testing results and laboratory research.
