The Great Eight: Top Tick-Borne Diseases in Connecticut

If you are starting 2021 with a healthy lifestyle, you may be spending some extra time outdoors. You are getting healthier each time you hike with your family, run the trails, or bike along a tree-lined path. Reaching health goals while in the great outdoors requires a little more than simply getting outside. You also need to be aware of your surroundings down the tiniest detail - the ticks that are alongside you each time you step outside.

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Connecticut is the home to many ticks that are known to spread diseases, including the blacklegged (deer) tick, Lone Star Tick, American Dog ticks, Asian Longhorned tick, and Gulf Coast tick. The population of ticks in Connecticut has a high rate of carrying tick-borne diseases. Additionally, Connecticut consistently reports one of the highest rates of transmission of tick-borne diseases from insect to host in the nation. These three factors mean that on your 2021 outdoor health adventures, you need to preserve your health by being vigilant to the presence of ticks.

The Great Eight

The tick-borne diseases of Connecticut vary, but the following are the most common diseases that are reported in the state: anaplasmosis, babesiosis, Borrelia miyamotoi, ehrlichiosis, Lyme, Powassan virus, Rocky Mountain spotted fever, and Tularemia. While there are many ways to avoid these diseases by taking steps to avoid becoming a host to a tick, it is a good idea to be familiar with the signs and symptoms of tick-borne diseases in the event that you fall ill after being outdoors. The sooner a patient receives a correct diagnosis after contracting a tick-borne disease, the quicker proper treatment can be administered.


The blacklegged (deer) tick is the culprit of spreading anaplasmosis through residents of Connecticut. If you are bit by a tick, please look out for the following symptoms within a few days of your potential disease transmission: fever, muscle aches, chills. While these symptoms can be explained by a common cold or inconsequential virus, leaving anaplasmosis untreated can lead to daunting health issues. Anaplasmosis can attack your respiratory system and circulatory system. If you are unaware of a tick bite but are experiencing anaplasmosis symptoms, let your doctor know of the time you have spent outside and in the potential presence of ticks. Doxycycline is the most effective antibiotic to treat anaplasmosis.


Babesiosis is another disease that is transmitted by the blacklegged, or deer tick. While