41. Chronic Fatigue Syndrome/Myalgic Encephalomyelitis Myalgic encephalomyelitis is thought to be an infectious disorder affecting the central, peripheral and autonomic nervous systems and the muscles. http://www.bchealthguide.org/kbase/nord/nord416.htm

document.write(''); var hwPrint=1; var hwDocHWID="nord416"; var hwDocTitle="Chronic Fatigue Syndrome/Myalgic Encephalomyelitis"; var hwRank="1"; var hwSectionHWID="nord416"; var hwSectionTitle=""; var hwSource="cn6.0"; var hwProdCfgSerNo="wsh_html_031_s"; var hwDocType="NORD"; National Organization for Rare Disorders, Inc. Chronic Fatigue Syndrome/Myalgic Encephalomyelitis Important It is possible that the main title of the report is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report. Synonyms Akureyri Disease Benign Myalgic Encephalomyelitis Epidemic Myalgic Encephalomyelitis Epidemic Neuromyasthenia Iceland Disease Raphe Nucleus Encephalopathy Royal Free Disease Tapanui Flu Disorder Subdivisions None Related Disorders List Information on the following diseases can be found in the Related Disorders section of this report: Chronic Epstein-Barr Virus Infection Multiple Sclerosis Polymyalgia Rheumatica General Discussion Myalgic Encephalomyelitis is thought to be an infectious disorder affecting the central, peripheral and autonomic nervous systems and the muscles. Major symptoms may include general exhaustion, headache, muscle pain, weakness, and possible mental changes. The exact cause of this disorder is not known, but researchers believe a virus associated with an immune system abnormality may be responsible. Adults are most commonly affected, with more cases seen in females than in males. Epidemics of Myalgic Encephalomyelitis have occurred worldwide, but cases tend to appear sporadically. Symptoms can resolve in a few weeks but may recur at any time. Other cases may persist for many years.

42. Encephalomyelitis - Information / Diagnosis / Treatment / Prevention home neurological disorders infections encephalomyelitis encephalomyelitis. Information • Diagnosis • Treatment • Prevention. http://www.healthcyclopedia.com/neurological-disorders/infections/encephalomyeli

Home Health cyclopedia All Topics by Category The Good Health Search Engine Health Conditions A-Z Gurus ... infections > encephalomyelitis Encephalomyelitis Information / Diagnosis / Treatment / Prevention External links (marked with an arrow ) open in a new window. This site is a web directory and does not offer medical advice. We cannot take responsibility for information found on listed sites. This Page Related Topics Medical Definition Health News Web Directory: Related Topics: Chronic Fatigue Syndrome West Nile Virus Medical Definition: University of Newcastle-upon-Tyne Medical Dictionary: "encephalomyelitis" Health News: Search millions of published articles for news on Encephalomyelitis Modern Medicine Aging The Ardell Wellness Report HealthFacts Medical Post Medical Update Men's Health and the National Women's Health Report Note: Subscription required to access the full text of articles. Web Directory: Acute Disseminated Encephalomyelitis Information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS). Western Equine Encephalomyelitis From Los Angeles County West Vector Control District, an article on this disorder includes how it is contacted and the symptoms.

43. Chronic Fatigue Syndrome (Myalgic Encephalomyelitis) Its full title is ‘chronic fatigue syndrome/myalgic encephalomyelitis’. Chronic fatigue syndrome (Myalgic encephalomyelitis). Written by Dan Rutherford, GP. http://www.netdoctor.co.uk/special_reports/depression/cfs.htm

The UK's leading independent health website Search NetDoctor NetDoctor.co.uk Home News and features News Newsletter Features Encyclopaedia Diseases Medicines Examinations Health centres Cancer Children's health Depression Erectile dysfunction ... All health centres Discussion and support Discussion forums Support groups Services Ask the doctor Find a hospital Search Medline Test yourself ... Text message services Information About NetDoctor Commercial opportunities NetDoctor.com Chronic fatigue syndrome (Myalgic encephalomyelitis) Written by Dan Rutherford , GP Fatigue What is fatigue? The size of the problem CFS/ME is a major world-wide public health problem. There are considerable difficulties in establishing good figures for the number of people affected, but accepting that the figures are approximate, the following generalisations can be made regarding the UK: CFS/ME affects between 2 and 4 people per 1000 of the population it affects people of all ages, including children as young as five years old the commonest age of onset is between the early twenties to mid-forties CFS/ME is diagnosed about twice as often in women compared to men it affects all social classes.

44. Welcome To MERGE - The ME Research Group For Education And Support MERGE the Myalgic encephalomyelitis Research Group for Education and Support. We are a registered charity with the principal aim http://www.meresearch.org.uk/

Contact us Donate to MERGE Register for updates Friends of MERGE ... Terms and conditions Can't find the news item you're looking for? Visit our news archive Here's another way to help ME research. Pick up a MERGE collection box, to collect loose change, etc. More here Situated close to the Culloden Battlefield and famous Clava Cairns Leanach Farm has a accommodation rating from the Scottish Tourist Board. Supporting ME Research. More here FRIENDS OF MERGE UPCOMING EVENTS MERGE relies entirely on donations for its survival, and fundraising events organised by the Friends of MERGE are an ongoing feature. Click here for details of all our upcoming fundraising events. If you would like to help publicise our work, please download and print out the MERGE poster (pdf format: 345KB). home MERGE is a national UK charity funding biomedical research into Myalgic Encephalomyelitis (also known as ME/CFS) and related illnesses. Our principal aim is to commission and fund high-quality scientific (biomedical) investigation into the causes, consequences and treatment of ME, but we also have a mission to "Energise ME Research". Our in-house team is involved in: Identifying potentially important biomedical projects Publishing scientific papers on biomedical aspects of the illness

45. Encephalomyelitis - Medical Dictionary Definitions Of Popular Medical Terms encephalomyelitis Inflammation of both the brain and the spinal cord. encephalomyelitis can be caused by a variety of conditions http://www.medterms.com/script/main/art.asp?articlekey=8049

46. Defra, UK - Disease Surveillance And Control - Notifiable Diseases - Equine Vira Equine Viral encephalomyelitis(EVE). Definition. 1 Epidemic Venezuelan Equine encephalomyelitis (VEE). 2 - Western Equine encephalomyelitis (WEE). http://www.defra.gov.uk/animalh/diseases/notifiable/disease/viralenceph.htm

Skip navigation Animal health and welfare Home Contact Defra About Defra News ... Notifiable diseases > Equine Viral Encephalomyelitis(EVE) Equine Viral Encephalomyelitis(EVE) Definition Viral Encephalomyelitis is an infectious mosquito-borne disease of horses characterised clinically by paralysis and other signs of nervous derangement. The same virus strains can cause serious human disease as well as infecting poultry and other farmed birds including quail, ostriches and emus. 1 - Epidemic Venezuelan Equine Encephalomyelitis (VEE) 2 - Western Equine Encephalomyelitis (WEE) 3 - Eastern Equine Encephalomyelitis (EEE) Birds, small mammals and possibly reptiles and amphibians are the natural reservoir of the virus. Transmission of infection to horses and man occurs following bites by mosquitoes or biting flies. The disease is not directly contagious between horses and man. Distribution The virus strains which cause EVE are restricted geographical areas of North, Central and South America as their names suggest. VEE has spread into Central America, causing devastating epidemics as far north as Texas. The disease distribution is determined by climatic conditions as well as agricultural practices, such as irrigation, which favour the life cycle and spread of mosquitoes. Clinical signs of disease The incubation of the disease after infection with the virus is from 1 to 3 weeks. In the initial stage there is fever, which may be accompanied by depression, and loss of appetite, but the reaction may be so mild it goes unnoticed. The virus causing Eastern Equine Encephalomyelitis (EEE) is the most virulent of the three types and the symptoms produced are the most severe, with a case fatality rate of up to 90%. The viraemia (level of virus in the blood) may be so high with this strain that horse to mosquito to horse cycling can occur.

47. ACUTE DISSEMINATED ENCEPHALOMYELITIS: Contact A Family - For Families With Disab printer friendly, ACUTE DISSEMINATED encephalomyelitis, Acute Disseminated encephalomyelitis ADEM. Acute Disseminated encephalomyelitis http://www.cafamily.org.uk/Direct/a17.html

printer friendly ACUTE DISSEMINATED ENCEPHALOMYELITIS home more about us in your area conditions information ... how you can help search this site Did you find this page helpful? yes no Acute Disseminated Encephalomyelitis: ADEM Acute Disseminated Encephalomyelitis (ADEM) accounts for up to one third of all known cases of encephalitis. This illness usually follows in the wake of exanthema or after other viral infections or immunisations. There is usually a latent period of days to two to three weeks. This illness was first described 250 years ago by the distinguished English physician, Clifton who noted that it occurred occasionally in patients who had smallpox. The white matter of the brain is predominantly affected and under the microscope it can be seen that there is invasion around small veins by white blood cells from the blood. Where these cells accumulate, myelin is destroyed. The illness has been poorly understood and a variety of terminologies used to describe it, these include post infectious, parainfectious or post vaccinial. The cerebrospinal fluid (CSF) is frequently abnormal showing an increase in white cells and protein. The electroencephalogram (EEG) is abnormal in most cases showing diffuse slowing. Magnetic resonance imaging (MRI) typically shows multiple areas of abnormality in the white matter of the brain.

48. MYALGIC ENCEPHALOMYELITIS : Contact A Family - For Families With Disabled Childr printer friendly, MYALGIC encephalomyelitis, http://www.cafamily.org.uk/Direct/m51.html

printer friendly MYALGIC ENCEPHALOMYELITIS home more about us in your area conditions information ... how you can help search this site Did you find this page helpful? yes no Myalgic Encephalomyelitis: ME; Epidemic Neuromyasthenia; Post Viral Fatigue Syndrome; PVFS; Chronic Fatigue syndrome - CFS (but see below); Chronic Fatigue and Immune Dysfunction syndrome - CFIDS (in USA and Canada) Myalgic Encephalomyelitis appears on the World Health Organisation's International Classification of diseases list (G93.3, ICD-10) as a neurologic disease. Myalgic Encephalomyelitis is a distinctive clinical syndrome first reported in patients after outbreaks of viral infections in 1950s and was characterised by persistent fatigue, muscle pain (myalgia), symptoms suggestive of brain and spinal cord dysfunction (encephalomyelitis) and conspicuous deterioration of symptoms after physical exertion. Pathologically, ME is an inaccurate term since there is little evidence of ongoing inflammatory activity in the muscles or brain. Post-viral fatigue syndrome was used to describe a similar syndrome where patients could clearly trace the onset of their illness back to a viral infection. However, ME-type symptoms are also known to follow other infections (for example, Lyme disease), post-infective neurologic diseases (such as Common symptoms include: Persistent or relapsing fatigue unrelieved by rest or sleep.

49. The Brockville Myalgic Encephalomyelitis Association The Brockville Myalgic encephalomyelitis Association focuses on helping individuals with Myalgic encephalomyelitis (ME) and Fibromyalgia (FM). http://www.brockvilleme-fm.ca/

Home About Us Join BMEA News ... Links Welcome to our site! The Brockville Myalgic Encephalomyelitis Association focuses on helping individuals with Myalgic Encephalomyelitis (ME) and Fibromyalgia (FM). The purpose of the Brockville M.E Association is to provide support and information to sufferers of Myalgic Encephalomyelitis (also known as Chronic Fatigue Syndrome), Fibromyalgia, Multiple Chemical Sensitivities, and their families. For more information about our group, see our About Us page. News flash! Read the ME/CFS Clinical Working Case Definition, Diagnostic and Treatment Protocols press release

50. Roche Lexikon Medizin (4. Aufl.) - Encephalomyelitis encephalomyelitis. Entzündung des Gehirns u. Rückenmarks (su Encephalitis, Myelitis http://www.gesundheit.de/roche/ro07500/r9717.html

En cephalo mye li tis Enzephalomyelitis engl.: encephalomyelitis Encephalitis Myelitis ); meist als Infektion, v.a. durch Viren (z.B. Tollwut, s.a. Lyssa ), wahrscheinlich aber auch toxisch-allergisch. E. benigna myalgica engl.: benign myalgic e. E. disseminata engl.: disseminated e. Multiple Sklerose E. equina Encephalitis equina engl.: equine e. E. der Kinder engl.: e. of childhood B ROWN *-S YMMERS ... * Syndrom E. periaxialis concentrica B * Krankheit E. periaxialis scleroticans Multiple Sklerose E. postvaccinalis engl.: postvaccinal e. Impfenzephalomyelitis Verwandte Themen Brown*-Symmers* Krankheit Eastern-Equine-Encephal(omyel)itis-Virus EEE Encephalitis ... Western-Equine-Encephalomyelitis-Virus

51. Acute Disseminated Encephalomyelitis - PediaIndia.net Chat. Archive Section. Mar 1st 15th 2001 Acute Disseminated encephalomyelitis. (ADEM) (Please wait for the content to download). How did discussion proceed? http://pediaindia.net/archive/adems.shtml

52. Post-vaccinal Encephalomyelitis Postvaccinal encephalomyelitis Nervous system disease vaccination. encephalomyelitis Inflammatory disease of the brain and spinal cord. http://www.whale.to/vaccines/encephalomyelitis.html

Post-vaccinal encephalomyelitis Encephalomyelitis: Inflammatory disease of the brain and spinal cord. "Acute disseminated encephalomyelitis postinfectious encephalomyelitis see also Acute Viral Encephalitis and Aseptic Meningitis in Ch. 176) is characterized by perivascular CNS demyelination, which can occur spontaneously but usually follows a viral infection or viral vaccination (or, very rarely, bacterial vaccination), suggesting an immunologic cause. Acute inflammatory peripheral neuropathies that follow a viral vaccination or the Guillain-Barré syndrome (see Ch. 183 ) are similar demyelinating disorders with the same presumed immunopathogenesis, but they affect only peripheral structures."Merck Manual http://www.merck.com/pubs/mmanual/section14/chapter180/180a.htm "Measles Encephalomyelitis in a Patient With a History of Vaccination," Acta Paediatrica Japonica, vol. 37, number 3, June 1995, pp. 374-376: A twelve-year-old girl vaccinated with a live attenuated measles vaccine developed an encephalomyelitis ten years post-vaccine. "The patient’s definite history of measles vaccination, high titers of HI and IgG antibodies…indicated that this patient has an encephalomyelitis due to Secondary Vaccine Failure of measles. It is suggested that measles virus can be a pathogen of encephalitis without symptoms indicative of ordinary measles in individuals who received live attenuated measles vaccines." Bolukbasi O, et al.

53. Smallpox Vaccine And Post-vaccinal Encephalomyelitis Smallpox vaccine and postvaccinal encephalomyelitis Smallpox vaccine damage. Postvaccinal encephalomyelitis without cutaneous vaccination reaction. Ann Neurol. http://www.whale.to/m/smallpox/encephalomyelitis.html

Smallpox vaccine and post-vaccinal encephalomyelitis Smallpox vaccine damage "Conybeare reported 222 cases of post-vaccinal encephalomyelitis, of which 110 were fatal, in twenty years from 1927-46.....Prof. Dick reports 147 cases of post-vaccinal encephalitis in England and Wales from 1951-1970 of which 36 were fatal " Michael Nightingale Askanas A; [Postvaccinal encephalitis and enterovirus infection] (Pediatr Pol, 1966 Feb) Barner FR, et al. Fatal post-vaccinal encephalomyelitis following combined smallpox vaccination in an adolescent overaged for 1st vaccination]. Dtsch Gesundheitsw. 1969 Jun 26;24(26):1216-9. German. No abstract available. Rockoff A, et al. Postvaccinal encephalomyelitis without cutaneous vaccination reaction. Ann Neurol. 1979 Jan;5(1):99-101. PMID: 34358; UI: 79143604. Rohde W. Fatal post-vaccinal encephalomyelitis following combined smallpox vaccination in an adolescent overaged for 1st vaccination]. Dtsch Gesundheitsw. 1969 Jun 26;24(26):1219-20. German. No abstract available. PMID: 5376174; UI: 70227373.

54. Neurological Critical Care: Acute Disseminated Encephalomyelitis Acute disseminated encephalomyelitis (ADEM). post immunization encephalomyelitis, most commonly associated with measles, mumps and rubella vaccination, http://www.aic.cuhk.edu.hk/web8/ADEM.HTM

Acute disseminated encephalomyelitis (ADEM). Acute demyelinating disorder of central nervous system characterized by multi-focal white matter involvement. Epidemiology rare in developed countries. More common in developing countries where measles and other viral infections are more prevalent. Estimated to follow 1/1000 cases of measles Aetiology in developed countries most commonly follows non-specific upper respiratory tract infection in developing countries most commonly follows common childhood illnesses (eg measles, chickenpox) post immunization encephalomyelitis most commonly associated with measles, mumps and rubella vaccination incidence of ADEM following measles vaccination is 20 times lower than the incidence after measles infection Clinical features non-specific symptoms (eg fever, malaise, myalgia, headache, nausea and vomiting) often precede neurological features, begining 4-21 days after precipitating event neurological features focal or multi-focal rapid onset over few days early features: encephalopathy: ranges from lethargy to coma hemiparesis cranial nerve palsies paraparesis. Cord lesion often complete

55. CDC - Eastern Equine Encephalomyelitis Virus Infection In A Horse From Californi Research Eastern Equine encephalomyelitis Virus Infection in a Horse from California. A vaccinerelated encephalomyelitis was later suspected. http://www.cdc.gov/ncidod/EID/vol8no3/01-0199.htm

Past Issue Vol. 8, No. 3 March 2002 EID Home Ahead of Print Past Issues EID Search ... Suggested Citation Download Article PDF Help Feedback Research Eastern Equine Encephalomyelitis Virus Infection in a Horse from California Robert P. Franklin,* Hailu Kinde,† Michele T. Jay, ‡ Laura D. Kramer,† Emily-Gene N. Green,† Robert E. Chiles,† Eileen Ostlund,§ Stan Husted,‡ Jonathan Smith,¶ and Michael D. Parker¶ National Veterinary Service Laboratory, Ames, Iowa, USA; and U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, Maryland, USA A yearling quarter horse, which was raised in southern California, received routine vaccinations for prevention of infection by Eastern equine encephalomyelitis virus (EEEV). One week later, severe neurologic signs developed, and the horse was humanely destroyed. A vaccine-related encephalomyelitis was later suspected. A final diagnosis of EEEV infection was established on the basis of acute onset of the neurologic signs, histopathologic and serologic testing, and isolation and molecular characterization of EEEV from brain tissue The vaccine was extensively tested for viral inactivation. Nucleotide sequences from the vaccine and the virus isolated in the affected horse were also compared. In California, arboviral encephalomyelitides are rarely reported, and EEEV infection has not previously been documented. This report describes the occurrence of EEEV infection in the horse and the investigation to determine the source of infection, which was not definitively identified.

56. CDC - Successful Treatment Of Human Herpesvirus 6 Encephalomyelitis In Immunocom Successful Treatment of Human Herpesvirus 6 encephalomyelitis in Immunocompetent Patient. HHV6 should be recognized as one of the causes of encephalomyelitis. http://www.cdc.gov/ncidod/EID/vol10no4/03-0587.htm

Past Issue Vol. 10, No. 4 April 2004 EID Home Ahead of Print Past Issues EID Search ... Figure Dispatch Successful Treatment of Human Herpesvirus 6 Encephalomyelitis in Immunocompetent Patient Eric Denes,* Laurent Magy,* Karine Pradeau,* Sophie Alain,* Pierre Weinbreck,* and Sylvie Ranger-Rogez* *Teaching Hospital Dupuytren, Limoges, France Suggested citation for this article: Denes E, Magy L, Pradeau K, Alain S, Weinbreck P, Ranger-Rogez S. Successful treatment of human herpesvirus 6 encephalomyelitis in immunocompetent patient. Emerg Infect Dis [serial online] 2004 Apr [ date cited ]. Available from: http://www.cdc.gov/ncidod/EID/vol10no4/03-0587.htm We report a case of human herpesvirus 6 (HHV-6) encephalomyelitis in an immunocompetent patient, which was confirmed by viral amplification from cerebrospinal fluid. Cidofovir was used, followed by ganciclovir, because of an adverse effect to probenecid. The patient recovered. HHV-6 should be recognized as one of the causes of encephalomyelitis. Human herpesvirus 6 (HHV-6) is a member of the Herpesviridae family. Like other members of this family, the virus remains in a latent state after primary infection has resolved and can reactivate. HHV-6 encephalomyelitis is an uncommon clinical manifestation in immuncompetent adults. We report the case of a 20-year-old immunocompetent woman who was hospitalized with HHV-6 encephalomyelitis and recovered.

57. North Carolina Dept Of Agriculture & Consumer Services Eastern Equine encephalomyelitis (EEE), Livestock Programs. Disease Alert Eastern Equine encephalomyelitis (EEE). Eastern Equine encephalomyelitis Fact Sheet http://www.ncagr.com/vet/EEE.htm

Veterinary Division Veterinary Division Home Animal Health Programs AHP: Livestock Contact Us ... Animal Health Fact Sheets Print This Page Eastern Equine Encephalomyelitis (EEE) Livestock Programs Disease Alert- Eastern Equine Encephalomyelitis (EEE) EEE cases steadily rising in equine across North Carolina; still time to vaccinate West Nile confirmed in N.C. equine; EEE cases continue to rise N.C. equine face early, heavy threat of "EEE" infection - vaccination recommended to prevent disease Vaccination best defense for equine against mosquito-borne diseases ... Map of confirmed EEE cases in N.C. Eastern Equine Encephalomyelitis Fact Sheet History Equine encephalomyelitis is an inflammation of the brain and spinal cord. This disease not only affects horses, but can also be deadly for humans. The virus was isolated, characterized, and equine vaccines were developed in the 1930s. The two forms currently active in the United States are Eastern Equine Encephalomyelitis (EEE) and Western Equine Encephalomyelitis (WEE). The viruses responsible for causing these diseases are members of a family of viruses called the alphavirus. WEE is most active in Western United States and parts of the Midwest. EEE has an Eastern United States distribution. Historically, there have been isolated cases in Michigan and Wisconsin as well as outbreaks in the Caribbean, Dominican Republic, Haiti, Panama, and Central and South America.

58. Acute Disseminated Encephalomyelitis acute disseminated encephalomyelitis. immunemediated encephalitis (IME) , ADE allergic rxn to prior infection begins 1-2 wks http://chorus.rad.mcw.edu/doc/00493.html

CHORUS Collaborative Hypertext of Radiology Nervous system Feedback Search acute disseminated encephalomyelitis "immune-mediated encephalitis (IME)", "ADE" allergic rxn to prior infection begins 1-2 wks after event occus after viral infection or vaccination affects corpus callosum + white matter (above + below tent) self-limited; steroids may help See also: white-matter disease demyelinating disease Charles E. Kahn, Jr., MD - 2 February 1995 Last updated 26 May 2004 Medical College of Wisconsin

59. Haemagglutinating Encephalomyelitis Virus HAEMAGGLUTINATING encephalomyelitis VIRUS. Two different syndromes are recognised An acute encephalomyelitis (HEV) in piglets up to 4–7 days of age,; http://www.spc.int/rahs/Manual/Porcine/HAEMAGLUENCEPHE.HTM

HAEMAGGLUTINATING ENCEPHALOMYELITIS VIRUS Nature of the disease Haemagglutinating encephalomyelitis (vomiting and wasting disease) is a viral disease of pigs caused by a Coronavirus. Two different syndromes are recognised: An acute encephalomyelitis (HEV) in piglets up to 4–7 days of age, A vomiting and wasting disease (VWD) in slightly older piglets (4–14 days). Classification SPC List D disease Susceptible species Pigs are the only susceptible species. Distribution The virus is widespread in Europe and North America. It has been reported in Australia. Clinical signs HEV: Sudden onset in young pigs (less than 7 days), Transient fever, Depression, Loss of condition, Hyperaesthesia, Trembling, ataxia, Convulsions and paddling of the limbs, Sometimes vomiting, Up to 100% of piglets in affected litters die in 1 -3 days. VWD: Occurs in pigs less than 4 weeks old, Transient fever, Frequent vomiting, Loss of appetite, Constipation, Emaciation, Occasional nervous involvement, Mortality is high, spread over a two week period. Survivors often become runts.

60. Porcine Enterovirus Encephalomyelitis (Teschen Disease) B256 ENTEROVIRUS encephalomyelitis (PREVIOUSLY TESCHEN DISEASE). Nature of the disease. Teschen disease is a viral disease caused http://www.spc.int/rahs/Manual/Porcine/PEVE.HTML

B256 - ENTEROVIRUS ENCEPHALOMYELITIS (PREVIOUSLY TESCHEN DISEASE) Nature of the disease Teschen disease is a viral disease caused by a the highly virulent strain of the virus of of the Picornaviridae family from the Enterovirus genus, serotype 1 (PEV1). The virus causes a virulent manifestation of porcine polioencephalomyelitis with a high morbidity and high mortality. In addition further porcine enteroviruses from the serotype 1 cause porcine polioencephalomyelitis, including Talfan virus and begign enzootic paresis which cause a milder, more sporadic and less contagious disease. There are 11 serotypes of porcine enterovirus potentially causing encephalomyelitis (PEV 1-7 and PEV 11-13) and, recently, they have been grouped under enterovirus encephalomyelitis. Classification OIE List B disease Susceptible species Pigs Distribution Central and Eastern Europe, Madagascar and Uganda have the highly virulent strain of PEV1 (Teschen disease). Talfan disease is more widely distributed, it is present in Australia as well as PEV2, PEV5 and PEV8. Some forms of the disease were suspected in the Cooks Islands and in Wallis and Futuna.

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