Thank you!
Your support is sustaining the future of local news in our communities.

Dutchess County ticks found to carry multiple pathogens, study shows

Dutchess County ticks found to carry multiple pathogens, study shows

Sampling for ticks on Cary Institute’s campus. For more than three decades, Cary researchers have been investigating how environmental factors influence Lyme and other tick-borne diseases.

Photo by Dornith Doherty

An increasing number of ticks in the Hudson Valley are carrying more than one disease-causing germ that can make people sick, according to a new study from the Cary Institute of Ecological Studies in Millbrook. Researchers say the trend could complicate diagnosis and treatment in humans after a tick bite.

Details of the study were released by the institute, and additional insights were provided in an interview with lead researcher Shannon LaDeau.

The findings are part of a long-running research effort in Dutchess County, where scientists have been collecting and tracking ticks for decades. The current analysis draws on nearly 10 years of samples, part of a 35-year monitoring project led by Cary Institute disease ecologist Richard S. Ostfeld. Ticks collected from forested plots on the Cary campus were frozen and later tested for a wide range of pathogens using updated laboratory methods.

According to the report, more than 38% of the ticks tested were capable of spreading at least one disease-causing pathogen to people.

“The probability of being exposed to a pathogen by a single bite from a nymphal tick is approaching 40%,” said Ostfeld in a statement. “That seems uncomfortably high. These ticks are so small, most people don’t even realize when one is feeding on them.”

Lead researcher Shannon LaDeau, a disease ecologist at the Cary Institute, has spent her career studying how diseases move through ecosystems. Her early work focused on tracking the spread of West Nile virus through bird populations using large datasets, before turning her attention to ticks and tick-borne illness in the Northeast.

The latest study analyzed more than 2,000 blacklegged ticks collected over nearly a decade in Dutchess County and found that roughly 1 in 10 ticks in their nymph stage – the small, hard-to -see phase most likely to bite humans – were carrying at least two pathogens.

“That means a single tick bite could expose someone to more than one illness,” LaDeau said in an interview.

The ticks themselves are not born carrying disease, she added. Instead, they pick up pathogens during their first blood meal as larvae, when they are extremely small and remain close to the ground in leaf litter. At that stage, they typically feed on small rodents, such as mice and chipmunks. If the host animal is infected, the tick can acquire more pathogens.

Lyme disease, once acquired by a tick, stays with it for life, while other pathogens like Babesia may clear over time.

Life cycle of the blacklegged tick. Ticks take a blood meal at each life stage: larva, nymph, and adult. Ticks acquire pathogens by taking blood meals from infected animals (often rodents). The study focused on nymphal ticks, which are poppy seed sized. Their small size makes them hard to detect and remove, and more likely to pass pathogens to people. Illustration by Leslie Tumblety/Cary Institute of Ecosystem Studies

Overall, researchers found that more than a third of ticks tested were carrying at least onepathogen, with Lyme disease remaining common. About 20% of ticks carried the bacterium that causes Lyme disease, while lower levels of other known illnesses, such as anaplasmosis, were detected.

One of the more striking findings was the rise of babesiosis, an illness caused by a parasite that requires different treatment than Lyme disease.

“Babesia has been increasing over time,” LaDeau said, noting that in some years it was even more common in ticks than the bacteria that causes Lyme disease. “There’s a lot of year-to-year variation, but over the longer term, it’s increasing.”

These results have important public health implications, LaDeau said, because the two pathogens require different tests and treatments. Lyme disease is treated with antibiotics such as doxycycline, while Babesia infections are treated with antiparasitic medications.

“This particular co-infection does represent a new risk in the sense that Babesia and Lyme do not respond to the same treatment,” LaDeau said. Anaplasma, which has been around for a long time and has historically had a co-infection with Lyme disease, does respond to the same treatment.

“In the Northeast, when someone gets sick after a tick bite, medical professionals should be testing for both pathogens to ensure proper diagnosis and treatment,” said LaDeau.

How to protect yourself from tick bites

For residents spending time outdoors, LaDeau said prevention starts with awareness. Wearing light-colored clothing can make ticks easier to spot, and checking yourself regularly – both while outside and after coming indoors – is key. Tick activity also varies throughout the year, with certain times, particularly late spring and late summer, posing higher risk.

Just as important is knowing your surroundings. “There are places where you go out and get ticks every time, and other places where you don’t,” LaDeau said, noting that ticks come from the ground and typically latch on from leaf litter as they climb upward.

Latest News

Libraries, Town Halls open as cooling centers during heat wave

North East Town Hall will be open on Thursday, July 2, for people who need a cool place to sit and sip water. The Town Hall is located at 19 N. Maple Ave. in Millerton.

Photo by Aly Morrissey

Community cooling centers are opening across Dutchess County as extreme heat brings temperatures into the high 90s.

Many libraries, town halls and community facilities are serving as cooling centers, offering air-conditioned spaces, drinking water and restrooms. Temperatures are expected to reach triple digits in some areas of the county this week.

Keep ReadingShow less

The nature of Upstate Art Weekend

The nature of Upstate Art Weekend

On Thursday, June 25, a collection of eager art enthusiasts gathered at Olana State Historic Estate in Hudson to kick off the seventh annual Upstate Art Weekend (UAW).

Helen Toomer, founder, was joined by sculptors Ellen Harvey, Jean Shin and Gabriela Salazar to discuss their work and the legacy of painter Frederic Church. Church, whose 200th birthday is being celebrated this year, is widely credited as one of the founding members of the Hudson River School of painting. The discussion took place at Olana, Church’s grand estate, where the three artists’ installations are on view.

Keep ReadingShow less
google preferred source

Want more of our stories on Google? Click here to make us a Preferred Source.

Benjamin Reynaert and the art of layered living

Benjamin Reynaert

Jennifer Almquist
Creating a home is, at its core, an act of love.
— Benjamin Reynaert

Benjamin Reynaert is focused on creative direction and interior styling. He is market director at Elle Décor, a design consultant, and author of “The Layered Home: Inspiration for Crafting Cozy, Collected Rooms,” published this year by Clarkson Potter. He co-founded Ticking Tent, a market featuring antiques, luxury items and vintage treasures. The biannual event is held in New Preston, Connecticut, and Bedford, New York.

Adopted from South Korea at 3 months old, Reynaert grew up in Bloomfield Hills, Michigan. He always knew he wanted to be an artist. “I just loved drawing. I loved making things with clay,” he said. “Remembering what it felt like to be creative as kids and applying that to our creativity as adults is essential.” A graduate of the Rhode Island School of Design (RISD), where he earned a BFA and a degree in architecture, Reynaert also studied bookbinding in Rome. His attention to detail and aesthetic sense reflect years of training and a finely tuned eye for objects. “Attending RISD nurtured my creativity and taught me how to problem-solve,” he said.

Keep ReadingShow less
Beneath the surface: Delano Dunn and Mickalene Thomas explore history, memory and art

Mickalene Thomas and Delano Dunn at Wassaic Project.

Lucia Landolo

Before “Echoes in the Margin,” Delano Dunn’s new solo exhibition at Troutbeck in Amenia opened, the artist sat down with curator and artist Mickalene Thomas for a conversation at the Wassaic Project on Wednesday, June 24. Their wide-ranging discussion offered an intimate look into Dunn’s practice while situating the work within broader questions of history, memory and representation.

Presented by the Wassaic Project, the exhibition brings Dunn’s richly layered paintings into conversation with Troutbeck itself, the historic estate long associated with artists, writers and civil rights leaders, including W.E.B. Du Bois, Langston Hughes and many more.

Keep ReadingShow less
After a Hollywood career, Scott Siegler turns failure into fiction

Scott Siegler at his home in Sharon.

D.H. Callahan

Scott Siegler is bored of success stories. But Scott Siegler has had the kind of successful Hollywood career that people write books about.

Before he was 30, he’d earned three degrees. Before he moved to Hollywood, he’d already won an Emmy for one of the nine documentaries he directed and produced. Before he helped launch Netscape, bringing the Internet to the public, he’d already started his own Hollywood studio.

Keep ReadingShow less
google preferred source

Want more of our stories on Google? Click here to make us a Preferred Source.

google preferred source

Want more of our stories on Google? Click here to make us a Preferred Source.