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Topic: Lassa fever


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  Lassa fever - Wikipedia, the free encyclopedia
Lassa fever is an acute viral hemorrhagic fever first described in 1969 in the Nigerian town of Lassa in the Yedseram River valley.
Lassa fever is less deadly compared to ebola, though they share similar symptoms.
Clinically, Lassa fever infections are difficult to distinguish from other viral hemorrhagic fevers such as Ebola, and from more commom febrile illnesses such as malaria.
en.wikipedia.org /wiki/Lassa_fever   (1163 words)

  
 Lassa Fever | CDC Special Pathogens Branch
Lassa fever is an acute viral illness that occurs in West Africa.
In areas of Africa where the disease is endemic (that is, constantly present), Lassa fever is a significant cause of morbidity and mortality.
Lassa fever is an endemic disease in portions of West Africa.
www.cdc.gov /ncidod/dvrd/spb/mnpages/dispages/lassaf.htm   (1214 words)

  
 Sierra Leone: Lassa fever outbreak
The spread of Lassa fever in refugee camps in southern and eastern Sierra Leone has been brought under control except in Jimmi Bagbo camp, where severe cases continue to be registered, the UN High Commission for Refugees (UNHCR) said.
Lassa fever is an acute viral illness transmitted by rats that is common in West Africa.
Lassa fever is caused by a virus known as Lassa virus.
www.scienceinafrica.co.za /2003/october/lassa.htm   (587 words)

  
 Lassa fever on Encyclopedia.com   (Site not responding. Last check: 2007-10-20)
LASSA FEVER [Lassa fever], a severe viral disease occurring mostly in W Africa, characterized by high fever, muscle aches, mouth ulcers, and bleeding in the skin.
Following fever and general malaise, later stages of the disease may include abdominal pain, diarrhea, vomiting, and petechiae, tiny purplish spots in the skin caused by leakage of blood from the capillaries.
Imported Lassa Fever in Germany: Molecular Characterization of a New Lassa Virus Strain.
www.encyclopedia.com /html/L/Lassa-fev.asp   (399 words)

  
 Lassa fever - Transmission   (Site not responding. Last check: 2007-10-20)
As Lassa fever may have a long (up to 21 day) incubation period, it is possible that travellers from endemic areas may be incubating the disease.
It is important that fevers of unknown origin in people coming from these endemic areas be investigated for the possibility of Lassa fever.
However, one case of Lassa fever entering a non-endemic area should not arouse fear of an epidemic as long as it is ensured that the correct infection control procedures are followed.
sprojects.mmi.mcgill.ca /tropmed/disease/lassa/trans.htm   (606 words)

  
 Imported Lassa Fever, New Jersey, 2004
Lassa fever is an acute viral illness caused by Lassa virus, which is hosted by rodents in the Mastomys natalensis species complex and rarely imported to countries outside of those areas in Africa where the disease is endemic (1).
Approximately 15%--20% of patients hospitalized for Lassa fever die from the illness; however, approximately 80% of human infections with Lassa virus are mild or asymptomatic, and 1% of infections overall result in death (1).
Suspected cases of Lassa fever or related infections should be reported immediately to hospital infection-control professionals and to state and local health departments for treatment recommendations and to facilitate implementation of infection-control precautions and tracing of contacts.
www.medicalnewstoday.com /medicalnews.php?newsid=14425   (1677 words)

  
 Lassa Fever in Sierra Leone: Travel Health Advisory. Travel Medicine Program, - Public Health Agency of Canada
Lassa fever is a serious disease occuring in sub-Saharan Africa, primarily the western part of the continent, especially Nigeria, Sierra Leone, and Liberia.
The Lassa virus, first isolated in 1969 after a hospital outbreak in Nigeria, is one of several types of virus, known as arenaviruses, which causes severe haemorrhagic or bleeding diseases in humans.
Lassa fever is characterized by development of sore throat, cough, fever, nausea, vomiting, and muscle, chest and abdominal pain.
www.phac-aspc.gc.ca /tmp-pmv/2004/lassa040428_e.html   (473 words)

  
 Ebola Virus Haemorrhagic Fever
On the other hand, during the 1974 Lassa outbreak in Onitsha, Anambra State, none of the human and animal sera tested was positive for Lassa CF antibodies, although 3 cases of Lassa fever infection were confirmed by virus isolation and/or antibody studies (12).
The Pankshin area of the Plateau State may be considered a highly endemic zone for Lassa fever in the state, as evidenced by the high level of antibodies in humans and Mastomys, as well as the high rate of virus isolation from Mastomys in that area.
(1973) A hospital epidemic of Lassa fever in Zorzor, Liberia, March-April, 1972, Amer.
www.itg.be /ebola/ebola-49.htm   (1660 words)

  
 WHO | Lassa fever
Lassa viral haemorrhagic fever is an acute illness of 1-4 weeks duration that occurs in West Africa.
Lassa fever is a zoonotic disease, meaning that humans become infected from contact with infected animals.
Lassa fever is difficult to distinguish from many other diseases which cause fever, including malaria, shigellosis, typhoid fever, yellow fever and other viral haemorrhagic fevers.
www.who.int /mediacentre/factsheets/fs179/en   (943 words)

  
 Lassa Fever
Fact Sheet No 179 April 2000 LASSA FEVER Lassa fever is an acute viral illness of one to four weeks duration caused by Lassa virus, a member of the arenavirus family of viruses.
Lassa fever, an arenavirus, is an enveloped, single-stranded, bisegmented RNA virus.
Imported Lassa Fever in Germany: Molecular Characterization of a New...
www.health-nexus.com /lassa_fever.htm   (312 words)

  
 Lassa Fever: Description, Vector, Mechanism, Symptoms, Mortality Rates, and so on...
It is the most commonly "exported" hemorrhagic fever; its victims carry the disease from Africa to the United States, to the United Kingdom, tp the Netherlands, Israel, and Japan.
Lassa fever is named after the town (in the Yedseram River valley) in which the first cases were isolated in 1969, during a nosocomial outbreak at a local hospital.
Lassa virus has been isolated from semen 6 weeks after acute illness; the virus can be transmitted to sexual partners by convalescent men.
www.tarakharper.com /v_lassa.htm   (1663 words)

  
 Lassa Fever
Lassa fever is a viral disease, which is carried by rats.
Lassa fever was identified in a Nigerian village in 1969, when two missionaries died of the disease; it was named after that same village.
Any traveller to areas where Lassa fever is endemic (that is: the infection is present in low levels) is at risk.
www.travelhealth.co.uk /diseases/lassa.htm   (255 words)

  
 Introduction: Lassa fever - CureResearch.com
Lassa fever: Lassa fever is an acute viral illness that occurs in West Africa.
Researching symptoms of Lassa fever: Further information about the symptoms of Lassa fever is available including a list of symptoms of Lassa fever, or alternatively return to research other symptoms in the symptom center.
Statistics and Lassa fever: Various sources and calculations are available in statistics about Lassa fever, prevalence and incidence statistics for Lassa fever, and you can also research other medical statistics in our statistics center.
www.cureresearch.com /l/lassa_fever/intro.htm   (431 words)

  
 Lassa Fever Fact Sheet   (Site not responding. Last check: 2007-10-20)
Lassa fever is also associated with occasional epidemics, during which the case-fatality rate can reach 50%.
Symptoms of Lassa fever typically occur 1-3 weeks after the patient comes into contact with the virus.
Because the symptoms of Lassa fever are so varied and nonspecific, clinical diagnosis is often difficult.
www.health.state.nd.us /epr/public/viral/LassaFact.htm   (802 words)

  
 Rough Guides Travel   (Site not responding. Last check: 2007-10-20)
Lassa fever is highly contagious between humans – the virus infiltrates all bodily fluids and remains in the urine and semen for several weeks even after recovery.
Lassa fever poses little threat to most travellers, but healthworkers in endemic areas may be at risk.
Lassa fever is extremely dangerous in anyone who is severely affected, and survivors of the illness may face long-lasting, and sometimes permanent after-effects, such as hair loss, deafness and loss of co-ordination.
travel.roughguides.com /health/atozlassafever.html   (402 words)

  
 Lassa   (Site not responding. Last check: 2007-10-20)
Apart from fever, myalgia and prostration, there may be cough, sore throat, abdominal discomfort, loose stools and headache.
Lassa virus is easily cultured in VERO cells, and is demonstrated by immunofluorescence.
Lassa fever is a notifiable (or reportable) disease in most countries and is Internationally reportable.
www.coppettswood.demon.co.uk /lassa.htm   (490 words)

  
 CIDRAP >> Lassa fever case found in New Jersey
Lassa fever is rarely found outside of West Africa.
Lassa fever can also spread through contact with the fluids of a human victim.
Estimates place the number of Lassa infections between 100,000 to 300,000 annually, with the caveat that regional surveillance is spotty, according to the report.
www.cidrap.umn.edu /cidrap/content/bt/vhf/news/oct062004lassa.html   (653 words)

  
 New candidate for a vaccine against Lassa fever   (Site not responding. Last check: 2007-10-20)
Lassa fever is endemic in certain areas of West Africa, where several hundred thousand people are estimated to be infected each year.
Lassa fever is transmitted to humans from rodents that harbour the virus, and as the rodents are ubiquitous in the endemic area, the only realistic hope for control of the disease is a vaccine.
Lassa vaccine initiatives have suffered from a lack of funding in the past, but bioterrorism and recent importation of the disease to the United States and Europe have brought new resources to Lassa virus science.
www.news-medical.net /?id=11358   (525 words)

  
 WRAL.com - Health - Lassa Fever Suspected In Crew Member's Death   (Site not responding. Last check: 2007-10-20)
Lassa fever comes from a virus that is common in West Africa.
A Centers for Disease Control and Prevention spokesman said the Lassa fever virus is hard to catch and doesn't represent a threat to the general public.
Overall, death is rare in patients who contract Lassa fever, with only 1 percent of all cases resulting in death.
www.wral.com /health/3713432/detail.html   (342 words)

  
 BBC NEWS | Health | Lassa fever vaccine shows promise
Lassa fever is endemic in West Africa, where hundreds of thousands of people are infected each year.
Lassa vaccine initiatives have suffered from a lack of funding in the past.
Dr Lockwood said a Lassa fever posed a "very significant" public health burden in West Africa, where as many as half of all people admitted to hospital showed signs of having been exposed to the virus.
news.bbc.co.uk /1/hi/health/4626637.stm   (513 words)

  
 Lassa Fever Virus   (Site not responding. Last check: 2007-10-20)
The focus of this report will be on Lassa Fever Virus, a Level 4 virus belonging to the family Arenaviridae.
Lassa is found primarily in West Africa where it is classified as an endemic virus.
Little did you know that Lassa Fever Virus, named after the town you resided in as a missionary, was to become one of the most widely spread hemorrhagic fevers in about 30 years and still be without a vaccine.
www.geocities.com /guipago_22/Virology.html   (367 words)

  
 Merlin :: Lassa Fever   (Site not responding. Last check: 2007-10-20)
Lassa fever is an acute viral disease, described as one of the “acute viral haemorrhagic fevers”, and is primarly transmitted to humans from wild rodents.
Lassa fever is endemic in West Africa, particularly in Sierra Leone, Guinea, Nigeria and Liberia (the ‘Lassa belt’).
In 1995, Merlin began supporting the only specialist Lassa fever ward in Africa, in Kenema, Sierra Leone, keeping it open throughout the civil war and supporting research into this deadly viral illness which infects 300,000 people in the region every year.
www.merlin.org.uk /Main.aspx?PageID=117   (568 words)

  
 Notifiable Condition: Lassa Fever
Onset is gradual, with malaise, fever, headache, sore throat, cough, nausea, vomiting, diarrhea, myalgia and chest and abdominal pain; fever is persistent or spikes intermittently.
Inflammation and exudation of the pharynx and conjunctivae are commonly observed.
Lassa virus, an arenavirus, serologically related to lymphocytic choriomeningitis, Machupo, Junin, Guanarito and Sabia viruses.
www.doh.wa.gov /Notify/guidelines/lassa.htm   (1175 words)

  
 Lassa fever: epidemiology, clinical features, and social consequences -- Richmond and Baglole 327 (7426): 1271 -- BMJ
Lassa fever is a viral haemorrhagic fever transmitted by rats.
Lassa fever is caused by a single stranded RNA virus and is
A case-control study of the clinical diagnosis and course of Lassa fever.
bmj.bmjjournals.com /cgi/content/full/327/7426/1271   (2463 words)

  
 Lassa fever - WrongDiagnosis.com
Detailed information about the causes of Lassa fever can be found on our causes page.
Information about treatments available for Lassa fever can be found in the treatment pages.
Various sources and calculations are available in statistics about Lassa fever, prevalence and incidence statistics for Lassa fever, and you can also research other medical statistics in our statistics center.
www.wrongdiagnosis.com /l/lassa_fever/intro.htm   (305 words)

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