TICK-BORNE DISEASE Presented By Karl Neidhardt

Tick Species and Life Stages Most Likely to Bite Humans in the Eastern U.S. and the Diseases They May Cause Anaplasma phagocytophilum

ZOONOTIC CYCLE

COMMON TICK VECTORS

Borrelia burgdorferi Agent of Lyme Disease

Ixodes scapularis Blacklegged Tick

What are the symptoms of Lyme Disease?  An EM rash is the most definitive sign.  Early stages produce flu like symptoms.  Later symptoms include problems with the muscles and joints, brain and nervous system, heart and circulation, digestion, reproductive system and skin.

ERYTHEMA MIGRANS

Secondary Rash

LYME ARTHRITIS

Neurological Manifestations Bell’s Palsy

Domestic Animals Dog with Lyme Arthritis Cat with B. burgdorferi in eye Horses Wild animals are asymptomatic

Check Pets For Ticks And Use Repellent (available from Vet.)

BABESIOSIS Babesia microti Vector: Ixodes scapularis

EHRLICHIOSIS HGE - Human Granulocytic Ehrlichiosis HGA - Human Granulocytic Anaplasmosis HME - Human Monocytic Ehrlichiosis

Ehrlichia Life Cycle

Amblyomma americanum Lone Star Tick

LONE STAR TICK PROGRESSIVE ENGORGEMENT

Vector: American Dog Tick RMSF - Rocky Mountain Spotted Fever Agent: Rickettsia rickettsii

RMSF RASH Foot Hand

Dermacentor variabilis American Dog Tick

TULAREMIA American Dog Tick Lone Star Tick Ulcer

SPECIES COMPARISON

TICK RANGES Lone Star Tick American Dog Tick Blacklegged Tick

Peromyscus leucopis White footed Mouse Range ( green ), Hanta Cases ( red ) Peromyscus maniculatus Deer Mouse

TICK HABITAT

SURVEILLANCE Flagging

Study Site 0.5 kilometers Three CO 2 Traps per Sampling Site

Sites in blue indicate Amblyomma americanum nymphs and/or adults positive for Ehrlichia chaffeensis shown over 90% population contours for nymphs and adults n =1295, tested = 1295n = 187, tested = n = 1068, tested = 1068

Ft AP Hill Jamboree Area Threat Map Probability of Encountering Lone Star Ticks Red = Higher Yellow = Lower Green = Unlikely

PERSONAL PROTECTION Wear light colored clothing. Blouse pants inside socks.

PERSONAL PROTECTION Buddy Checks Prompt Tick Removal

Repellents DoD Repellent System

Stop complaining Billy, It’s either this, the suit or hose.

CONTROL Brush Removal Targeted Backpack Spraying

Prescription Burns

ALTERNATIVE CONTROL STRATEGIES DEER FEEDING STATION Feeding corn treated with Doramectin for Systemic Tick Control

4-POSTER Deer Treatment Bait Station Market Rep: American Lyme Disease Foundation Supplier: CR Danials Inc. Ellicott City, MD Contact: Andy Szulinski, , ext Pesticide: Y-TEX, 4-Poster Tickicide, 10.0% permethrin

QUESTIONS ? Karl Neidhardt, USCHPPM-North, ESD 4411 Llewellyn, Ft Meade, MD