Tick Flicks – A “Not-So-Seasonal” Series: Episode 2: Why Am I Seeing More Dogs Positive for Ehrlichia? What about RMSF and other tick-borne concerns?
This case-based session explores increases in tick-borne disease pathogens in dogs — Ehrlichia spp.. Rocky Mountain Spotted Fever (RMSF), and others—and why positive tests and disease incidence are on the rise. We’ll break down the latest clinical insights, expert-backed guidelines, emerging concerns, and practical strategies for testing, treatment, prevention, and client communication. You’ll walk away with the tools and confidence to navigate these infections across every stage of care, including One Health/public health considerations.
Learning objectives:
By the end of the session, attendees will be able to:
- Apply expert-and evidence-backed guidelines for:
- Relevant tick-borne pathogens of concern, like Ehrlichia spp. and RMSF
- Implementing preventive care protocols
- Understand and communicate current epidemiological trends
- Use tools and resources to communicate effectively across the spectrum of care
Speakers

Michelle Evason (BSc, DVM, DACVIM, MRCVS) serves as Global Director, Veterinary Clinical Education for Antech Diagnostics (MARS). She has worked in general practice, academia, specialty clinical practice, and in the animal health industry. Michelle has published on numerous infectious diseases, antimicrobial stewardship, nutrition, spectrum of care, veterinary- and pet-owner education related topics. She keeps busy (and humble!) with two teenage daughters, one husband, multiple 4-legged creatures, and numerous imperfect projects in various stages of completion on her farm in PEI, Canada.

Scott Weese (DVM, DVSc, DACVIM) is a veterinary internist and a Diplomate of the American College of Veterinary Internal Medicine. He is a Professor at the Ontario Veterinary College, University of Guelph, Director of the University of Guelph Centre for Public Health and Zoonoses, and Chief of Infection Control at the Ontario Veterinary College Teaching Hospital. He is also a member of the Tripartite Global Leaders Group on AMR, Chair of the WHO Advisory Group for Critically Important Antimicrobials in Human Medicine and runs the infectious disease website WormsAndGermsBlog