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General Facts . Viral hemorrhagic fever caused by the Arenavirus Lassa . Transmitted from rodents to humans . Discovered in Nigeria, 1969
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The Molecular Biology & General Background of the Lassa Virus Presented by Ryan Cordell Presentation Overview General Virus Background General Morphology of the Virus ...
Viral Hemorrhagic Fevers: Lassa, Machupo, Junin . Remy Schneider. Jazmin Jerez
... contact with blood/body fluids/cadavers Aerosol spray (droplet v. airborne) Sexual transmission Percutaneous Bite of infected tick or mosquito Infection Control Lassa ...
Examples of viral zoonoses that can be transmitted to man directly include rabies, hantaviruses, lassa and ebola fevers. Rabies Virus member of the Lyassavirus of the ...
Lassa and Machupo can cause explosive hospital-acquired outbreaks. Lassa Dengue Rift Valley fever Guanarito Yellow Fever Sabia Omsk H.F. Marburg Hantavirus Machupo ...
Person-to-person airborne spread has been described for Machupo virus as well as Lassa virus (discussed earlier). Machupo virus has been transmitted to spouses 1-3 weeks ...
... which preventive or therapeutic interventions are not usually available (high individual risk and high community risk) Ebola virus Herpes B virus (Cercopithecine) Lassa ...
The arenaviruses are divided into two groups: the New World or Tacaribe complex and the Old World or LCM/Lassa complex. Of the fifteen Arenaviruses known to infect ...
Geographic Distribution of Arenaviridae LASSA FEVER OVERVIEW AND EPIDEMIOLOGY An acute viral illness that occurs in West Africa Host is the multimammate rat (note ...
CCHF Yes Lassa Yes Argentine HF Yes Other New world Arena Maybe Ribavirin: toxicities Teratogenic Extravascular hemolysis Bone marrow suppression Rigors with ...
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(Lassa, Junin, Machupo, Guanarito) Bunyaviridae (CCHF, RVF, Hantaviruses) Viral Haemorrhagic Fevers . Flaviviridae (dengue, yellow fever, Groupe TBE)
... associated with rodents and hemorrhagic fevers Single-stranded RNA, – strand, multiple strands Arenavirus Helical capsids contain RNA-containing granules Lassa Fever ...
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Lassa Onset insidious: To, weakness, malaise; arthralgias, lombar pain Dry cough, chest pain, Vo-diarrhea; pharyngitis Bleeding: only 15-20%, oral especially Oedema ...
New Developments in Biothreats and Biosecurity Clifton R. Lacy, M.D. October 17, 2007 A Taste of the New Jersey Experience Imported Lassa Fever Tularemia Severe Acute ...
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Arenaviridae Single-stranded RNA, – strand, multiple RNA strands Helical capsids contain RNA-containing granules Lymphocytic choriomeningitis VEE and Lassa fever ...
Viral Hemorrhagic Fevers (VHFs); Lassa, Ebola, Marburg. Biological Toxins Botulism
Lassa fever; Fatality rate 2-15%; Rift Valley Fever; 1% exposed infected, mortality rate 50%; Congo Fever; Infection rate 20-100%, Fatality rate 15-30%
DISEASE OUTBREAKS . SIERRA LEONE, 2002-2004: Lassa Fever – 34 cases, 6 deaths . EAST TIMOR. 2004-2005: Avian Influenza outbreak . DRC, Feb 05: Plague outbreak
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Examples: Lassa fever, Hantaan fever, South American haemorrhagic fevers, Kyasanur Forest disease. In Asia, irrigation and wet farming breeds mosquitoes that ...
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