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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 65% of tick tested are infected with at least one disease causing organism, 41% are co-infected with two or more, 15% carry three or more, and 5% of the ticks tested carry four or more.
Infection Visualization by Tick Species
All Ticks Tested
65% Positive for Infection
Negative (35%)
79% Positive for Infection
Negative (21%)
62% Positive for Infection
Negative (38%)
39% Positive for Infection
Negative (61%)
Coinfection Visualization
4+ Coinfection (5%)
3+ Coinfection (15%)
2+ Coinfection (41%)
No Co-infection (59%)
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 923 ticks.
23% Positive
77% Negative
Adult Female Deer Ticks
Sample size of 1,618 ticks.
36% Positive
64% Negative
Infection Rate for Anaplasma phagocytophilum between Adult Female and Nymphal Deer Ticks
Nymphal Deer Ticks
Sample size of 602 ticks.
10% Positive
90% Negative
Adult Female Deer Ticks
Sample size of 1,210 ticks.
12% Positive
88% Negative
Pathogenic Prevalence in Michigan
The bars below show the positive/negative prevalence ratio of selected pathogens we test for.
These pathogens were observed in ticks from Michigan.
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 27 ticks.
Warning: Low Sample Size
19% Positive
81% Negative
Borrelia burgdorferi
(American dog tick) associated with Lyme disease
Sample size of 32 ticks.
Warning: Low Sample Size
0% Positive
100% Negative
Anaplasma phagocytophilum
associated with anaplasmosis
Sample size of 29 ticks.
Warning: Low Sample Size
0% Positive
100% Negative
Ehrlichia chaffeensis
associated with ehrlichiosis
Sample size of 26 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.
