Tick-Borne Diseases

Tick-borne diseases are increasing across the United States as tick populations and their geographic range continue to expand. This presentation reviews current trends in tick-borne diseases, highlights major tick vectors and associated pathogens, discusses prevention strategies, and explores the laboratory's role in supporting accurate diagnosis and patient care.

By MCL Education • July 22, 2026

PACE/FL - Four case studies to explore key diagnostic considerations when Lyme testing is negative, highlight the role of geographic exposure history, and demonstrate the utility of multiplex testing panels

By MCL Education • August 11, 2026

The increased prevalence of certain tick- and mosquito-borne illnesses, the benefits of an algorithmic testing approach, and the growing importance of co-infection testing.

By MCL Education • June 30, 2025

In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Division of Clinical Microbiology at Mayo Clinic, is joined by William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories, to discuss tick-borne diseases.

By Jessie Fenske • May 8, 2025

In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Division of Clinical Microbiology at Mayo Clinic, is joined by Elitza Theel, Ph.D., director of the Infectious Diseases Serology Laboratory at Mayo Clinic, to discuss tick-borne diseases and the latest testing options.

By Luci Gens • April 11, 2024

Bobbi Pritt, M.D., explains how Mayo Clinic Laboratories' new assay identifies less-common tick-borne bacteria in whole blood. The assay is recommended when tick-borne bacterial infection is suspected but standard testing is unrevealing.

By Barbara J. Toman • April 2, 2024

In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Department of Laboratory Medicine and Pathology at Mayo Clinic, is joined by William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories, to talk about the tick season peak that parts of the United States are experiencing, and how to diagnose and prevent Lyme disease.

By Suzanne Ferguson • June 15, 2023

In this month's "Hot Topic," Elitza Theel, Ph.D., will be discussing laboratory utilization management, specifically for diagnostic testing for tick-borne diseases.

By MCL Education • May 2, 2022

Blacklegged ticks (also known as deer ticks) are turning up more frequently in Minnesota, and so are the diseases they carry. Bobbi Pritt, a parasitologist in the Department of Laboratory Medicine and Pathology at Mayo Clinic in Rochester, Minnesota, weighs in on the issue.

By Molly Dee • June 4, 2019

In this “Hot Topic,” Bobbi Pritt, M.D., discusses how Lyme disease is the most common vector-borne illness in the United States and Europe and caused primarily by Borrelia burgdorferi in the United States, while B burgdorferi, B afzelii, and B garinii cause Lyme disease in Europe. We will also discuss using PCR and melting curve analysis to identify a new species of Borrelia.

By MCL Education • May 16, 2016

During summer activities, it's bound to happen. But how dangerous is it to accidentally swallow a bug? Bobbi Pritt, M.D., a microbiologist, pathologist, and Director of the Clinical Parasitology Laboratory at Mayo Clinic in Rochester, discusses when swallowing an insect is harmless and which ones can be dangerous in The Wall Street Journal column entitled, "Burning Question."

By Kelley Luedke • July 27, 2015