Lyme Disease

Lyme disease is the most common tick-borne illness in the U.S., with nearly one-third of the nation’s cases occurring in New York. Each year, this emerging disease increases its range, putting more people in harm’s way. In the Hudson Valley, ticks can also infect people with babesiosis and anaplasmosis. While residents are becoming aware of the threat ticks pose, there is less knowledge about how environmental conditions magnify disease risk.

The Latest

#GetTickedOff: Panel discussion on Lyme & other tick-borne diseases

Lecture Video

Lyme and other tick-borne diseases have impacted the lives of so many in the Hudson Valley, New York. Learn the latest news on prevention at a special panel discussion. 

The Ecology of Lyme Disease

Lyme disease is the most commonly reported vector-borne illness in the United States. In the Northeast, the blacklegged ticks that spread Lyme disease are increasing their range, putting more people in harm’s way. 

Lyme Disease

Climate change and warming temperatures are broadening the range of suitable tick habitat. As ticks move north, they're bringing Lyme and other diseases with them. As ticks are beginning to emerge, it is time to heighten vigilance; check yourself, your children, and pets regularly.

the tick project crew

The Tick Project


Tiny ticks are a big problem. Anyone taking a walk in the woods is advised to do a tick check. Ticks infect more than 325,000 people with Lyme disease each year, and this number continues to rise.

Related Projects

The Tick Project

The Tick Project is testing whether environmental interventions can prevent tick-borne diseases in our communities. The need for prevention is stronger than ever, with expanding tick populations and more than 300,000 Americans diagnosed with Lyme disease each year.

tick collecting

Lyme Disease

Different species of tick hosts tend to have different probabilities of transmitting an infection to a feeding tick. In eastern and central North America, the host most likely to transmit an infection to a feeding tick is the white-footed mouse (Peromyscus leucopus), which infects between 40% and 90% of feeding larvae.

Biodiversity, Community Ecology, and the Dilution Effect

Biodiversity can protect human health by reducing human exposure to diseases transmitted from wildlife. Environmental changes, such as habitat fragmentation, can increase disease risk by reducing both predators and biodiversity.

Cary Institute of Ecosystem Studies | Millbrook, New York 12545 | Tel (845) 677-5343

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