Skip to main content.


The following is information on diseases known to be transmitted by ticks. Multiple infections may be transmitted at one time by a single tick.

First Stops:

Lyme Even More Complicated With Co-Infections
Lyme Isn't The Only Disease
Synopsis of Coinfections
Bartonella Alert
StopTicks.Org: Ticks & Diseases
Antibiotic Treatment for Co-Infections
Bartonella/Babesia Symptom Questionnaires
CALDA Coinfection Intro

Multiple Diseases:

Bb, Bartonella, Babesia, and Anaplasma phagocytophila in NJ
No Longer Just Lyme- The Coinfection Challenge
Diagnosis and Therapy of Chronic CoInfections (see Reports)
EMedicine: Tick-Borne Diseases
Is Lyme disease always poly microbial?
Mixed Infections in Ticks
Coinfections acquired from ticks
Rickettsia, Ehrlichia and Bartonella
Ehrlichia, Borrelia burgdorferi, and Bartonella in Dutch Ticks
Coinfection Testing (See Tests by Category)
Art's Lyme Disease & Coinfections
Kay's Tick-Borne Illnesses Page
Gaelic Wolf Tick Borne Illnesses
Tick Menagerie


The malaria-like disease in your yard
Concurrent Lyme and babesiosis: Increased severity and duration of illness
Combination Therapy in Chronic Babesiosis
Babesiosis in Upstate NY: Evidence of Co-Infection
Atovaquone and azithromycin for babesiosis
CDC DPDx- Babesiosis
CDC- Babesia Infection
EMedicine: Babesiosis
Human Babesiosis: An Emerging Tick-borne Disease
Babesia microti Infection in Europe
Severe babesiosis in Long Island: 34 Cases
Babesiosis in CT
Suspecting and Monitoring Babesiosis
Transfusion Associated Babesiosis
Clindamycin and Quinine
Cellular Immunity

Ehrlichiosis (HGE, HME) and Anaplasmosis (HGA):

HGE, HME, and HGA- Differences
Genetic Variants of Ehrlichia
ALDF on Ehrlichiosis
ALDF on Anaplasmosis
HGE name change to HA
Disease Thrives on Cholesterol
EMedicine: Ehrlichiosis
The Human Ehrlichioses in the U.S.
CDC: Human Ehrlichiosis in the United States
CDC: Human Granulocytic Anaplasmosis
Ehrlichia ewingii
Ehrlichiosis can persist
Ehrlichiosis Article
Ehrlichia and Spotted Fever
Spotted Fever Group Rickettsiae and Ehrlichiae
Human Ehrlichioses: Challenges
Spatial Analysis of Human Granulocytic Ehrlichiosis
Persistent Ehrlichia chaffeensis infection


The Doctor's Doctor: Bartonella
EMedicine: Bartonellosis
EMedicine: Cat-Scratch Disease
Concurrent infection of the CNS: Lyme and Bartonella
Serological cross-reactions between Bartonella and Chlamydia
Bartonella Treatment
Dr. Fried's Video

Other Tick-Borne Diseases:

Tick-Mediated Transmission of Mycoplasma
Rocky Mountain Spotted Fever
Lyme and Relapsing Fever
CDC- Southern Tick-Associated Rash Illness (STARI)
STARI- The Other Lyme Disease
Tick Borne Encephalitis
EMedicine: Q Fever
EMedicine: Colorado Tick Fever
EMedicine: Relapsing Fever
EMedicine: Rocky Mountain Spotted Fever
EMedicine: Tularemia
Crimean-Congo Hemorrhagic Fever (CCHF)
Tick Paralysis
MMWR March, 2002: Tularemia
Powassan Virus Outbreak
Can Ticks Spread Hepatitis C Virus?
Epstein Barr & Lyme
Encephalitis-like virus
Deer Tick Virus Transmission
New Borrelia Species
Disease-Specific Diagnosis of Tickborne Coinfections
B. parkeri in Colorado
B. sinica in China
B. hermsii in California
Correlation of mollicutes and their viruses with multiple sclerosis
Spiroplasma ixodetis in Oregon Ticks