Tick Article

Tick Article

With summer in full swing and most of us spending more time outdoors you must perform diligent tick checks on yourself, your children and pets now more than ever. Experts in Connecticut declare tick populations are on the rise and it is mostly due to shorter, warmer winters and longer, wetter springs and summers (1). Ticks are parasitic arachnids that transmit a slew of bacterial, viral and parasitic infections. These various infections result in a variety of symptoms ranging in severity and frequency making diagnosis and treatment difficult - especially when one is unaware they suffered a tick bite. 

The most common tick species in Connecticut are Ixodes scapularis (blacklegged deer tick) and Dermacentor variabilis (American dog tick). The blacklegged deer tick is a vector of Lyme disease, anaplasmosis, babesiosis, Borrelia miyamotoi disease, ehrlichiosis and Powassan virus disease (2). The American dog tick is a vector of Rocky Mountain Spotted Fever and Tularemia (3). In addition to soaring tick populations we are also being faced with tick species that are new to the state. In 2020 both Amblyomma americanum (lone star tick) and Haemaphysalis longicornis (Asian longhorned tick) were identified for the first time in Connecticut (4). The lone star tick is a vector of ehrlichiosis, Heartland virus, tularemia, and southern tick-associated rash (STARI) (3). The Asian longhorn tick is a vector of various Rickettsia species, Borrelia species, ehrlichiosis, anaplasmosis, Heartland virus, Powassan viruses, and can be a causative agent of Human hemorrhagic fever (4). 


Every tick in Connecticut is biologically capable of carrying Lyme, anaplasmosis and babesiosis.

Goudarz Molaei, phD, tick research scientist and director of the Passive Tick Surveillance Program at the Connecticut Agricultural Experiment Station (CAES) says every tick in Connecticut is biologically capable of carrying Lyme, anaplasmosis and babesiosis. The CAES has counted double the number of ticks through April 30th from last year. Molaei reports an increase from 436 tick specimens by the end of April 2020 to over 1,000 tick specimens by May 1st of this year (1). As of April 19th Newton Health District (NHD) director Donna Culbert has observed an increase in the proportion of disease-laden ticks from 30% last year to more than 50% this year. By the same date the NHD has sent 26 ticks for testing of which 14 ticks were positive for at least one of three tick borne diseases- Lyme disease, Anaplasmosis and Babesiosis- compared to 2020 when ten out of 38 ticks tested positive (5).

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In addition to prescription antibiotics/antiparasitics herbal extracts also provide effective treatment against tickborne disease such as Lyme disease. For example, in one study Cryptolepis sanguinolenta, Juglans nigra (Black walnut), Polygonum cuspidatum (Japanese knotweed), Artemisia annua (Sweet wormwood), Uncaria tomentosa (Cat's claw), Cistus incanus, and Scutellaria baicalensis (Chinese skullcap) displayed activity against the non-growing stationary phase B. burgdorferi culture compared to the control antibiotics doxycycline and cefuroxime. Both Cryptolepis sanguinolenta and Polygonum cuspidatum, showed strong activity against both growing B. burgdorferi and non-growing stationary phase B. burgdorferi (7). In a different study Cryptolepis sanguinolenta, Artemisia annua, Scutellaria baicalensis, Alchornea cordifolia, and Polygonum cuspidatum displayed good in vitro inhibitory activity against B. duncani and researchers noted the herbs may be promising alternatives to treat human babesiosis caused by B. Duncani (8). In addition to the antibacterial and antiparasitic actions of the herbs discussed above they also display many other beneficial actions.

With infectious tick populations on the rise it is best to be proactive when it comes to tick bites. However if you do suffer a tick bite remember to follow the steps on this link: Lyme Disease Prevention Part 2: What To Do If You Get Bit - Tao Vitality Naturopathic Physicians.


1. Tick populations, including some new species, are on the rise in Connecticut. Westerly Sun, Published 2021 May 3. www.thewesterlysun.com/news/stonington/tick-populations-including-some-new-species-are-on-the-rise-in-connecticut/article_88a178a6-aba0-11eb-8c53-13dad53abf1a.html.

2. Eisen RJ, Eisen L. The blacklegged tick, Ixodes scapularis: An increasing public health concern. Trends Parasitol. 2018;34(4):295-309. doi:10.1016/j.pt.2017.12.006

3. Tickborne diseases of the United States. Centers for Disease Control and Prevention. https://www.cdc.gov/ticks/tickbornediseases/tickID.html. Accessed 2021 June 18.

4. Yimoyines, K. Two new tick species found In Connecticut: Together they spark concern over Lyme and tick-borne diseases for 2021. Tao Vitality Center for Optimal Health. https://www.taovitality.com/lyme-disease/lyme-disease-blog/2021-lyme-disease-season-two-new-tick-types-in-ct.html. Updated 2021 June 27, 2021. Accessed 2021 June 18.

5. Voket, J. Scientist, health director warning about new tick species, diseases, exploding populations. The Newtown Bee. https://www.newtownbee.com/05082021/scientist-health-director-warning-about-new-tick-species-diseases-exploding-populations/. Published 2021 May 8. Accessed 2021 June 18.

6. How to handle a tick bite. International Lyme and Associated Diseases Educational Foundation. https://iladef.org/education/how-to-handle-a-tick-bite/. Accessed 2021 June 18.

7. Feng J, Leone J, Schweig S, Zhang Y. Evaluation of Natural and Botanical Medicines for Activity Against Growing and Non-growing Forms of B. burgdorferi. Front Med (Lausanne). 2020;7:6. Published 2020 Feb 21. doi:10.3389/fmed.2020.00006

8. Zhang Y, Alvarez-Manzo H, Leone J, Schweig S, Zhang, Y. Botanical medicines Cryptolepis sanguinolenta, Artemisia annua, Scutellaria baicalensis, Polygonum cuspidatum, and Alchornea cordifolia demonstrate inhibitory activity against Babesia duncani. Front. Cell. Infect. Microbiol. 2021;11:1-15. Published 2021 Mar 8. doi:10.3389/fcimb.2021.624745

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