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Articles on Ticks

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The black-legged tick is the vector that spreads Lyme disease. Its bite can infect humans with the Borrelia burgdorferi bacterium. (Jim Gathany/CDC)

Lyme disease: The pathogen’s cunning strategies for persistent infection offer clues for vaccine development

The bacterium that causes Lyme disease is a master of disguise, changing its appearance to evade the immune system as it moves from the ticks that carry it to humans or animals.
There have been arguments about the future of red deer on the Scottish island of South Uist. iSpice/Alamy

How archaeologists can help us live with wild animals

There are arguments over the future of red deer on the Scottish island of South Uist but archaeological expertise can help people live alongside wild animals.
People catch La Crosse disease primarily from the bite of the eastern tree-hole mosquito – although two other species may also carry the virus. Nipol Plobmuang/EyeEm via Getty Images

La Crosse virus is the second-most common virus in the US spread by mosquitoes – and can cause severe neurological damage in rare cases

Not all cases of La Crosse disease affect the neurological system, but those that do can be severe and sometimes fatal – especially in children.
Black-legged ticks carry Lyme disease, which continues to spread widely across the United States. CDC/Michael Levin

Tick bites: Every year is a bad tick year

How bad are ticks this year? An expert explains why tick-borne diseases are on the rise.
Lyme disease patients hold a rally outside the Irish Parliament. Artur Widak/NurPhoto via Getty Images

Chronic Lyme disease – does it exist?

Many patients without a diagnosis of Lyme disease report a constellation of symptoms, sometimes for years. Does chronic Lyme disease exist?
Middlebury Assistant Professor David Allen prepares to inspect a piece of canvas dragged through the forest to collect ticks. Todd Balfour/Middlebury College

A tick detective wants to understand what drives tick abundance

A tick expert explains his work trying to understand why the abundance of the parasites vary so much from location to location and year to year.
There’s a short window between when a tick bites and when it passes on bacteria or virus. MSU Ag Communications, Courtesy Dr. Tina Nations

Ticks spread plenty more for you to worry about beyond Lyme disease

Tick-borne diseases are becoming more common in the United States. A public health entomologist outlines some of the lesser-known threats ticks pose to human health.
If you are bitten by a tick that is infected with Lyme disease, a single dose of antibiotics can prevent an infection from developing, if administered within 72 hours of tick removal. (Shutterstock)

Eek – a tick! What now? This online tool will help

If you are bitten by a tick, you need to find out what species it was, fast. A research team has developed a website to help people in Quebec, Ontario and New Brunswick do just that.
A female blacklegged deer tick crawls along a piece of straw. (Shutterstock)

Tick, tock: The countdown to peak tick season is here

Ticks are generally inactive in the winter and start to look for their next meal as temperatures warm up. But as winters warm, every season may become tick season.

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