41. 9-98 Newsletter This newsletter reviews canine and feline ehrlichiosis. Canine ehrlichiosis is classified by the cellular trophism of the infecting organisms. http://www.antechdiagnostics.com/clients/antechNews/1998/9-98.htm

September 1998 Ehrlichiosis Introduction There has been increasing awareness of disease states caused by Ehrlichia species, both in veterinary and human medicine. This newsletter reviews canine and feline ehrlichiosis. Ehrlichia species are gram negative pleomorphic bacteria of the family Rickettseaceae. Many genera of ticks are vectors for Ehrlichia species, which are transmitted within salivary secretions of infected ticks. Organisms are phagocytized by circulating leukocytes, or enter platelets by endocytosis. In the acute stages of disease, organisms may be visualized within membrane-lined intracytoplasmic vacuoles, called morulae. Canine ehrlichiosis is classified by the cellular trophism of the infecting organisms. Monocytic morulae represent infection with E. canis, and produce the disease called canine monocytic ehrlichiosis. Neutrophilic morulae are seen with E. equi and E. ewingii infections, and the resulting disease is called canine granulocytic ehrlichiosis. Morulae found within platelets represent infection with E. platys

42. Ehrlichiosis ehrlichiosis is a bacterial infection caused by several types of rickettsiae, There are two types of the human ehrlichiosis; human granulocytic http://www.lyme.org/otherdis/ehrlichiosis.html

Ehrlichiosis Ehrlichiosis is a bacterial infection caused by several types of rickettsiae , which invade and kill white blood cells. The American dog, brown dog, lone star, black-legged, and probably the Western black-legged ticks transmit the pathogens. There are two types of the human ehrlichiosis; human granulocytic ehrlichiosis (HGE) and human monocytic ehrlichiosis (HME). Signs/Symptoms: Fever, malaise, headache, chills, severe muscle aches or pain, vomiting, anemia, lung infection, decrease in white blood cells, elevated liver enzymes. A rash occurs in a small percentage of people. Neurologic manifestations include seizures, meningitis, confusion, ataxia, cranial nerve palsy, and change in mental status. Delayed treatment can result in death. Back to Other Diseases About the LDF Updates Awards ... Vaccines

43. Ehrlichiosis Another potential human ehrlichiosis which is yet to be discovered in the US is human E. canis infection. E. canis is monocytotropic ehrlichia closely http://riki-lb1.vet.ohio-state.edu/ehrlichia/background/ehrlichiosis.php

Human Ehrlichiosis Back to Introduction Previous (Ehrlichiae) Next (General Characteristics of Ehrlichiae) Table of Contents: Introduction to ehrlichiae Human Ehrlichiosis General Characteristics of Ehrlichiae Phylogram of the Family ... Ehrlichia chaffeensis HME is a systemic disease characterized by fever, headache, myalgia, anorexia, and chills, and frequently accompanied with leukopenia, thrombocytopenia, anemia, and elevations in serum hepatic aminotransferases. The severity of the disease varies from asymptomatic seroconversion to death, and severe morbidity is frequently documented. More than 1,500 probable or confirmed cases of HME have been reported primarily in the southeastern and south central regions since the original discovery of the disease in 1986. In certain geographic regions, the incidence exceeds that of Rocky Mountain spotted fever, most known rickettsial (rickettsia is the closest relative of Ehrlichia spp. and vector-borne) disease in the U.S. HME has been also reported in Europe and Africa. E. chaffeensis

44. Ehrlichia Infosheet By Lynda Adame What Is It ehrlichiosis is a tickborne rickettsial infectious blood disease. The organism is called Ehrlichia, the disease is called ehrlichiosis. http://www.greyhoundlist.org/ehrlichia_infosheet.html

Ehrlichia Infosheet by Lynda Adame greyhoundadmin@abap.org Ehrlichia What Is It: Ehrlichiosis is a tick-borne rickettsial infectious blood disease. The organism is called Ehrlichia, the disease is called Ehrlichiosis. Species: Ehrlichia canis, Ehrlichia risticii Primary Vector: Brown Dog Tick (must feed a minimum of 2 -3 days to transmit) for E. canis. Horse manure and other unknown sources for E. risticii. Other Vectors: Deer tick, blood transfusion, contaminated needles/instruments, transplacental. Diagnosis: There are three tests being used by Veterinarians to detect infection: The IFA (Indirect Fluorescent Antibody Assay) test is used to detect the presence of antibodies to the disease in a dog's blood serum. This test will determine a titer level: less than 1:40 is considered Negative (minimal exposure), a titer above 1:80 is considered positive for an active infection. The IFA is considered more reliable than the Giemsa Smear for detecting exposure/infection. The Giemsa Smear is used to locate the actual organism in the dogs blood. Despite appropriate staining technique and intensive film examination, the organisms frequently cannot be found.

45. Ehrlichiosis A Disease From Ticks Familydoctor.org Information about ehrlichiosis from the American Academy of Family Physicians. http://familydoctor.org/056.xml

Advanced Search familydoctor.org Home Conditions A to Z Infections ... Common Infections Ehrlichiosis What is ehrlichiosis? Is ehrlichiosis found all over the United States? What are the symptoms of ehrlichiosis? How is ehrlichiosis treated? ... What should I do if I find a tick on my skin? Ehrlichiosis: A Disease From Ticks Printer-friendly version Email this article What is ehrlichiosis? Ehrlichiosis (say "err-lick-ee-o-sis") is an infection you can get from a tick bite. The ticks that spread ehrlichiosis are the deer tick, the dog tick and the Lone Star tick. It has been known for many years that dogs, cattle and other animals can get ehrlichiosis. Now it's known that ehrlichiosis can occur in humans as well. This infection was first found in humans in the mid-1980s. Return to top Is ehrlichiosis found all over the United States? Ehrlichiosis can occur in almost any area of the United States, as well as in many foreign countries. Return to top What are the symptoms of ehrlichiosis? The symptoms of ehrlichiosis are like the symptoms of the flu. Symptoms usually start 5 to10 days after you've been bitten by a tick, but they may take up to 1 month to appear. You might have the following symptoms: Fever Chills Malaise (a general feeling of not being well, or feeling tired)

46. ► Ehrlichiosis A medical encycopedia article on the topic ehrlichiosis. http://www.umm.edu/ency/article/001381.htm

var MenuLinkedBy='AllWebMenus [2]', awmBN='530'; awmAltUrl=''; Disease Nutrition Surgery Symptoms Injury ... Encyclopedia (English) Toggle English Spanish Ehrlichiosis Overview Symptoms Treatment Prevention Definition: An infectious disease transmitted by the bite of a tick Causes, incidence, and risk factors: Ehrlichiosis is a disease caused by Ehrlichia organisms. It was first described in 1990. The two specific organisms that have been implicated are Ehrlichia chaffeensis and granulocytic Ehrlichia. The Ehrlichia bacteria belong to the family Rickettsiae. Rickettsial organisms are responsible for a number of serious diseases with worldwide distribution such as Rocky Mountain spotted fever typhus murine typhus , scrub typhus, Queensland tick typhus, Boutonneuse fever , North Asian tick-borne rickettsiosis, rickettsial pox, and others. All of these diseases require an insect vector (tick, flea, mite) to transmit them to humans or other animals. The infectious organism of ehrlichiosis is transmitted to humans by the bite of ticks . Rickettsiae are often associated with a specific tick. Ehrlichia inhabit the Lone Star tick (Amblyomma americanum), the American dog tick (Dermacentor variabilis), and the deer ticks (Ixodes dammini and Ixodes scapularis). (NOTE: the deer tick is also the carrier of

47. NJDHSS, Communicable Disease Service: Ehrlichiosis ehrlichiosis is an illness caused by the bacterium Ehrlichia. Human ehrlichiosis is a newly recognized disease in the United States. http://www.state.nj.us/health/cd/f_ehrlichiosis.htm

Disease Index NJ InTouch What You Should Know About. . . Ehrlichiosis What is ehrlichiosis? Ehrlichiosis is an illness caused by the bacterium Ehrlichia . Human ehrlichiosis is a newly recognized disease in the United States. The first human case in the U.S. was reported in 1986. However, prior to 1986 the bacterium was known to infect and cause illness in a wide variety of wild and domestic animals. Who gets ehrlichiosis? Anyone can become infected with Ehrlichia , although most cases have occurred among adults. Individuals who spend a lot of time outdoors in tick infested areas from April through October are at greatest risk of becoming infected. How is ehrlichiosis spread? Ehrlichiosis is spread by the bite of an infected tick. In New Jersey, the most commonly infected ticks are the deer tick, the dog tick, and the lone star tick. Ehrlichiosis is not spread from person-to-person. What are the symptoms of ehrlichiosis? The most common symptoms are fever, headache, muscle aches and weakness. Some patients can also experience nausea, vomiting and a skin rash. Although the illness is usually mild, severe to life-threatening illnesses can occur. How soon do symptoms occur?

48. Ehrlichiosis - Vermont Department Of Health Can ehrlichiosis be prevented? What is the best way to remove a tick? ehrlichiosis is a tickborne disease of humans and animals caused by bacteria named http://www.healthyvermonters.info/hs/epi/idepi/ehrlich/ehrlichiosis.shtml

A Fact Sheet on Ehrlichiosis Contents: What is ehrlichiosis? Who gets ehrlichiosis? How is ehrlichiosis spread? What are the symptoms of ehrlichiosis? ... What is the best way to remove a tick? What is ehrlichiosis? Ehrlichiosis is a tickborne disease of humans and animals caused by bacteria named Ehrlichia (air-LICK-ee-ah). The bacteria are transmitted by ticks, and can infect two different types of white blood cells. In the United States, ehrlichiosis is mainly found in the southeastern and south central regions of the country, although it has been known to occur in certain northern states as well. RETURN TO CONTENTS Who gets ehrlichiosis? Anyone can get ehrlichiosis, but the majority of known cases have been in adults. People who spend long amounts of time outdoors are more likely to have exposure to infected ticks. Most cases occur between the months of April and October. RETURN TO CONTENTS How is ehrlichiosis spread? The bacteria are transmitted to humans by the bite of an infected tick, including the deer tick, the dog tick, and the Lone Star tick. Ehrlichiosis cannot be spread from person to person or by direct contact with an infected animal. RETURN TO CONTENTS What are the symptoms of ehrlichiosis?

49. Georgia Division Of Public Health | Epi - Notifiable Diseases ehrlichiosis is a tickborne infection that ranges from subclinical or mild illness to In the US there are two distinct forms of ehrlichiosis, which are http://health.state.ga.us/epi/disease/ehrlich.asp

Epi Sections Epidemiology Notifiable Diseases Statistics Reporting ... SENDSS Health Info Notifiable Disease Query Login SENDSS Georgia Epidemiology Report Surveillance Projects ... Vector-borne Contact Us: e-mail: gaepinfo@dhr. state.ga.us Select a Notifiable Disease AIDS Anthrax Arboviral Infections Aseptic (viral) Meningitis Birth Defects Botulism Brucellosis Campylobacteriosis Cancer Chancroid Chlamydia trachomatis Cholera Creutzfeldt-Jakob Disease Cryptosporidiosis Cyclosporiasis Diphtheria E. coli O157 and other Shiga-toxin producing E. coli Ehrlichiosis Giardiasis Gonorrhea Haemophilus influenza Hantavirus Hearing Impairment Hemolytic Uremic Syndrome Hepatitis Lead Poisoning Legionellosis Leptospirosis Listeriosis Lyme Disease Lymphogranuloma venereum Malaria Maternal Mortality Measles Meningococcal Disease Mumps Pertussis Plague Poliomyelitis Psittacosis Q-fever Rabies Rocky Mountain Spotted Fever Rubella Salmonellosis Shigellosis Smallpox Streptococcal Disease Group A or B (invasive) Streptococcus pneumoniae drug resistant (invasive) Syphilis Tetanus Toxic Shock Syndrome Toxoplasmosis Tuberculosis Tularemia Typhoid Vibrio infections Viral (Aseptic) Meningitis Yersiniosis Ehrlichiosis Ehrlichiosis is a tick-borne infection that ranges from subclinical or mild illness to severe, potentially fatal disease. The disease is often characterized by fever, headache, myalgia, leukopenia, thrombocytopenia, elevated liver enzymes, anorexia, nausea, vomiting, and, infrequently, rash. In the U.S. there are two distinct forms of ehrlichiosis, which are clinically similar but serologically distinguishable: human monocytic ehrlichiosis (HME), which is caused by

50. Canine Ehrlichiosis ehrlichiosisCHC Wausau Hospital s Medical Library and Patient Education Center provides research services and healthcare information to physicians, http://www.swiftwaterfarms.com/swiftwater/p11Ehrlichiosis.htm

CANINE EHRLICHIOSIS Home Monroe Mill Girls Dogs Up For Adoption Nina the Queen ... Wake Veterinary Hospital 2 The first I heard of this disease was when I took a Babe into my vet for a health check just a couple days after I got her. I had been waiting for her for a long time and she had been ill prior to my getting her. Even though I was told she had been tested heart worm negative I had my vet recheck her just for my piece of mind. She had come from an area in the country with very little heart worms and had not even been tested for it until I asked about it. This time my paranoia paid off because in addition to testing for heart worms my vet also tested for C.E. And she was absolutely, no doubt about it, positive! We had spent quite a while talking and working with Babe before this test was done. There had been so many things which had not been thought out well before I got her and she had been treated incorrectly for months with a variety of drugs. Treating the symptoms of the problem instead of considering that they were symptoms of a bigger problem. I understand that this is the single most common problem with healing with C.E. There is a tendency to not put the problems together in one package, all caused by one disease.

51. EHRLICHIOSIS ehrlichiosis. Slide 9 of 30 13 HME vs HGE, 14 CLINICAL FEATURES ehrlichiosis, 15 ehrlichiosis - DIAGNOSIS, 16 ehrlichiosis - DIAGNOSIS http://www.path.sunysb.edu/labs/ticktutor/HTML/fslide9.html

var vIndex = 2; EHRLICHIOSIS Slide 9 of 30 Go to slide: 1: TICK - BORNE DISEASES 2: TICK BORNE DISEASES 3: LYME DISEASE 4: Lyme Disease 5: Lyme Disease - Tick Vectors 6: CLINICAL FEATURES - LYME DISEASE 7: LYME DISEASE - DIAGNOSIS 8: TREATMENT - LYME DISEASE 9: EHRLICHIOSIS 10: THREE EHRLICHIA GENOTYPES 11: Ehrlichia - Tick Vectors 12: HME vs HGE 13: HME vs HGE 14: CLINICAL FEATURES - EHRLICHIOSIS 15: EHRLICHIOSIS - DIAGNOSIS 16: EHRLICHIOSIS - DIAGNOSIS 17: TREATMENT - EHRLICHIOSIS 18: Human Babesiosis 19: Human Babesiosis 20: Babesia - Tick Vector 21: CLINICAL FEATURES - BABESIOSIS 22: CLINICAL FEATURES - BABESIOSIS 23: BABESIOSIS - DIAGNOSIS 24: BABESIOSIS - DIAGNOSIS 25: BABESIOSIS - DIAGNOSIS 26: TREATMENT - BABESIOSIS 27: Tick Borne Viral Encephalitis 28: Coinfection 29: CONCLUSIONS and CONSIDERATIONS 30: CONCLUSIONS and CONSIDERATIONS

52. Ehrlichiosis transmitted by ticks, occurring as two distinct clinical entities HME (Human Monocytic ehrlichiosis) and HGE (Human Granulocytic ehrlichiosis). http://www.5mcc.com/Assets/SUMMARY/TP1084.html

Ehrlichiosis DESCRIPTION: A life-threatening disease, transmitted by ticks, occurring as two distinct clinical entities: HME (Human Monocytic Ehrlichiosis) and HGE (Human Granulocytic Ehrlichiosis). HME occurs primarily in the south-central, southeastern, and mid-Atlantic regions in the U.S. and in Europe and Africa and is transmitted by the Lone Star tick (Amblyomma americanum), while HGE occurs in the upper midwest and northeastern states and is transmitted by ticks of the genus Ixodes. Patients present 1-3 weeks after tick bite with fever, headache, myalgia and other non-specific complaints. Treatment should begin if tick bite is suspected and especially if leukopenia and thrombocytopenia are found. Serologic confirmation is possible during convalescence if antibodies to E. chaffeensis are found. CAUSES: Ehrlichia chaffeensis (HME) Ehrlichia equi-like organism (HGE) Synonyms: ICD-9-CM: 082.8 Other specified tick-borne rickettsioses (Lone star fever) Author(s): Mark R. Dambro, MD

53. Virtual Hospital: University Of Iowa Family Practice Handbook, Fourth Edition: I Human monocytic ehrlichiosis (HME) is more common in southeast and southcentral United States (Oklahoma, Georgia, Arkansas). Human granulocytic ehrlichiosis http://www.vh.org/adult/provider/familymedicine/FPHandbook/Chapter10/08-10.html

University of Iowa Family Practice Handbook, Fourth Edition, Chapter 10 Infectious Disease: Ehrlichiosis Philip M. Polgreen, MD Department of Internal Medicine University of Iowa Hospitals and Clinics Peer Review Status: Externally Peer Reviewed by Mosby Epidemiology Onset . April to September, peaking in June and July; two thirds are rural residents. Human monocytic ehrlichiosis (HME) is more common in southeast and southcentral United States (Oklahoma, Georgia, Arkansas). Human granulocytic ehrlichiosis (HGE) is more common in Minnesota, Wisconsin, New York, and Maryland. Pathogenesis HME caused by Ehrlichia chaffeensis HGE caused by Ehrlichia equi. Transmitted by Ixodes scapularis and Dermacentor variabilis Clinical Characteristics Fever, diaphoresis, myalgias, arthralgias, malaise, headache, nausea, vomiting. About 15% have severe complications: renal failure, DIC, pulmonary hemorrhage, interstitial pneumonitis, bronchiolitis obliterans with organizing pneumonia (BOOP), seizures, coma. Lab findings include leukopenia, anemia, thrombocytopenia, and elevations of AST, ALT, LDH. May see morulae in circulating peripheral WBCs.

54. Ehrlichiosis ehrlichiosis is a bacterial infection that is spread by ticks. The only prevention for ehrlichiosis is to minimize exposure to ticks by staying on the http://www.healthatoz.com/healthatoz/Atoz/ency/ehrlichiosis.jsp

55. Canine Ehrlichiosis ~ Pawprints And Purrs, Inc. ehrlichiosis is an infectious disease of dogs. It first gained attention as a significant disease when military dogs returning from Vietnam during the 1970s http://www.sniksnak.com/doghealth/ehrlichiosis.html

HOME Mission Donate Table of Contents ... Wealth of Resources Pawprints and Purrs, Inc. Dog Health Care Information by Condition or Disease A Non-Profit 501(c)(3) Organization All donations are tax deductible Any health care links located here are NOT to replace a veterinarian visit; please take your dog to a vet immediately at any sign of odd behavior or any symptoms of illness or injury. Call your vet and describe your dog's symptoms with any of your concerns about the dog's well-being. Your veterinarian may discover changes in your dog's health that you have overlooked. It is always better to err on the side of caution. Canine Ehrlichiosis What is canine ehrlichiosis? Ehrlichiosis is an infectious disease of dogs. It first gained attention as a significant disease when military dogs returning from Vietnam during the 1970s were found to be infected. The disease seems to be particularly severe in German Shepherds and Doberman Pinchers. The organism responsible for this disease is a rickettsial organism; rickettsiae are similar to bacteria. Ehrlichia canis is the most common species involved in ehrlichiosis, but occasionally, other strains of the organism will be found, i.e.

56. Texas Department Of State Health Services, IDEAS > Ehrlichiosis What you should know about ehrlichiosis (errlick-ee-OH-sis). What is ehrlichiosis? ehrlichiosis was first described in dogs in 1935 and was not recognized http://www.tdh.state.tx.us/ideas/ehrlichiosis/faqs/

Click Here for Requested Information and Page Content Diseases: A-C Amebiasis Anthrax Arboviral Encephalitides ... Sitemap/Alphabetical Listing of Diseases and Topics Your Location: IDEAS Home Ehrlichiosis Ehrlichiosis (Human ehrlichiosis, American ehrlichiosis) ICD-9 083.8, ICD-10 A79.8 FAQs Reporting Other Sites What you should know about: Ehrlichiosis (err-lick-ee-OH-sis) What is ehrlichiosis? Ehrlichiosis was first described in dogs in 1935 and was not recognized as a human disease until the last half of the 20th century. Bacteria of the genus Ehrlichia cause a variety of diseases, both in humans and animals. Scientists continue to discover new species and to recognize different ways they cause disease. The bacteria are spread to humans through tick bites. What are the symptoms of ehrlichiosis? What does ehrlichiosis cause? Regardless of the species causing the infection, the symptoms and signs are similar. The diseases range anywhere from no symptoms, to an illness so mild that no medical attention is sought, to a severe, life-threatening condition. Most cause an abrupt onset of illness with fever, chills, headache, and malaise (a general ill feeling), usually beginning about 12 days after the tick bite. Patients may also experience confusion, nausea, vomiting, and joint pain. Some patients develop a rash involving the trunk and limbs. Severely ill patients can develop abnormally low numbers of white blood cells, abnormally low numbers of platelets, and kidney failure.

57. Ehrlichiosis ehrlichiosis. Fact Sheet (10k .pdf) En Español (74k .pdf) Summary Data ( 54k .pdf). Go to Reportable Infectious Disease Go to Other Helpful Information http://www.health.state.ok.us/program/cdd/ehrlichiosis.htm

Ehrlichiosis Fact Sheet (10k .pdf) (74k .pdf) Summary Data ( 54k .pdf) Go to Reportable Infectious Disease Go to Return to the Communicable Disease Division

58. Ehrlichiosis Fact Sheet ehrlichiosis (Erlick-key-osis) is caused by the bacteria called Ehrlichia. There are two forms of human ehrlichiosis Human Monocytic ehrlichiosis (HME) http://edcp.org/factsheets/ehrlichiosis.html

EDCP Mission/Vision General Information on Bioterrorism Bioterrorism Information for Health Care Providers Fact Sheets ... ImmuNet Ehrlichiosis Fact Sheet PDF Version of this Fact Sheet Ehrlichiosis (Er-lick-key-osis) is caused by the bacteria called Ehrlichia There are two forms of human ehrlichiosis: Human Monocytic Ehrlichiosis (HME) caused by Ehrlichia chaffeensis and Human Granulocytic Ehrlichiosis (HGE) caused by bacteria similar to Ehrlichia equi and Ehrlichia phagocytophilia. Infected tick bites of the Lone Star tick, the blacklegged or deer tick, and the American dog tick cause disease in humans. Not every tick bite causes disease. Anyone can get ehrlichiosis People may be exposed when they spend time outdoors in tick-infested areas (such as wooded, brushy, or grassy places). Pets may also bring ticks into the house as another possible means of exposure. Symptoms appear 5 to 10 days after a tick bite People with ehrlichiosis usually have flu-like symptoms such as fever, headache, tiredness, and muscle aches. Other symptoms may include nausea, vomiting, lack of appetite, diarrhea, cough, joint pains, confusion, and sometimes a rash. It is likely that many people who become infected with the bacteria do not become sick or only get very mild symptoms. However, some people may have severe disease that can result in death.

59. Ehrlichiosis Human Monocytic ehrlichiosis (HME) is caused by Ehrlichia chaffeensis (see picture below) What are the symptoms of ehrlichiosis in humans? http://edcp.org/vet_med/ehrlichiosis.html

EDCP Mission/Vision General Information on Bioterrorism Bioterrorism Information for Health Care Providers Fact Sheets ... ImmuNet Ehrlichiosis What bacteria cause ehrlichiosis? Bacteria from the Ehrlichia genus There are three types of ehrlichioses that have been identified that infect people: Human Monocytic Ehrlichiosis (HME) is caused by Ehrlichia chaffeensis (see picture below) Ehrlichia ewingii is a third type of ehrlichiosis that has recently been identified in Missouri Ehrlichiosis is a tick-borne, zoonotic disease Ehrlichiosis is seen across the United States A magnified picture of Ehrlichia chaffeensis bacteria (from the CDC website A magnified picture of HGE agent (from the CDC website How is ehrlichiosis spread? Animals and ticks maintain Ehrlichia infection in a natural cycle The animals serve as reservoirs , from which a tick can become infected when taking a blood meal; likewise, an infected tick can transmit the bacteria to an animal or person when taking blood Ehrlichiosis is NOT spread person-to-person E. chaffeensis (HME) is transmitted to humans by the lone star tick (Amblyomma americanum)

60. AllRefer Health - Ehrlichiosis ehrlichiosis information center covers causes, prevention, symptoms, diagnosis, treatment, incidence, risk factors, signs, tests, support groups, http://health.allrefer.com/health/ehrlichiosis-info.html

AllRefer Channels :: Yellow Pages Reference Health Home ... Contact Us Quick Jump ADD/ADHD Allergies Alzheimer's Disease Arthritis Asthma Back Pain Breast Cancer Cancer Colon Cancer Depression Diabetes Gallbladder Disease Heart Attack Hepatitis High Cholesterol HIV/AIDS Hypertension Lung Cancer Menopause Migraines/Headaches Osteoporosis Pneumonia Prostate Cancer SARS Stroke Urinary Tract Infection 1600+ More Conditions Alternative Medicine Health News Symptoms Guide Special Topics ... Medical Encyclopedia Web health.allrefer.com You are here : AllRefer.com Health Ehrlichiosis Ehrlichiosis Definition Prevention Treatment Expectations or Prognosis ... Go To Main Page Definition An infectious disease transmitted by the bite of a tick Ehrlichiosis Antibodies Ehrlichiosis is a disease caused by Ehrlichia organisms. It was first described in 1990. The two specific organisms that have been implicated are Ehrlichia chaffeensis and granulocytic Ehrlichia. The Ehrlichia bacteria belong to the family Rickettsiae. Rickettsial organisms are responsible for a number of serious diseases with worldwide distribution such as Rocky Mountain spotted fever typhus murine typhus , scrub typhus, Queensland tick typhus, Boutonneuse

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