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 60% of tick tested are infected with at least one disease causing organism, 39% 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

60% Positive for Infection

Negative (40%)

Ixodes scapularis (deer tick)

32% Positive for Infection

Negative (68%)

Amblyomma americanum (lone star tick)

18% Positive for Infection

Negative (82%)

Dermacentor variabilis (American dog tick)

6% Positive for Infection

Negative (94%)

Coinfection Visualization

4+ Coinfection (5%)

3+ Coinfection (15%)

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 1,058 ticks.

24% Positive

76% Negative

Adult Female Deer Ticks

Sample size of 2,271 ticks.

37% Positive

63% Negative

Infection Rate for Anaplasma phagocytophilum between Adult Female and Nymphal Deer Ticks

Nymphal Deer Ticks

Sample size of 737 ticks.

10% Positive

90% Negative

Adult Female Deer Ticks

Sample size of 1,863 ticks.

13% Positive

87% Negative

Infection Rate for Rickettsia amblyommii between Adult Female and Nymphal Lone Star Ticks

Nymphal Deer Ticks

Sample size of 238 ticks.

46% Positive

54% Negative

Adult Female Deer Ticks

Sample size of 71 ticks.

51% Positive

49% Negative

Pathogenic Prevalence in Indiana

The bars below show the positive/negative prevalence ratio of selected pathogens we test for. These pathogens were observed in ticks from Indiana. Data set includes tests performed since TickCheck's founding in 2014 and is updated in real time.

Anaplasma phagocytophilum associated with anaplasmosis

Sample size of 29 ticks. Warning: Low Sample Size

10% Positive

90% Negative

Ehrlichia chaffeensis associated with ehrlichiosis

Sample size of 31 ticks. Warning: Low Sample Size

0% Positive

100% Negative

Rickettsia spp. associated with Rocky Mountain spotted fever

Sample size of 29 ticks. Warning: Low Sample Size

28% Positive

72% Negative

Pathogen and co-infected tick prevalence data is © TickCheck, and is derived from our tick testing results and laboratory research.