How to Prevent Lassa Fever, Symptoms, Treatment & Contagious | lassa virus symptoms

homeinfectionscenterTopicGuideLassaFeverReviewedon2/7/2020WhatIsIt?FactsYouShouldKnowAboutLassaFeverWhatIsLassaFever?ContagiousHowDoesLassaFeverSpread?Symptoms/SignsWhatAreLassaFeverSymptomsandSigns?RiskFactorsWhatAreRiskFactorsforLassaFever?DiagnosisHowDoMedicalProfessionalsDiagnoseLassaFever?TreatmentWhatAreTreatmentsforLassaFever?Prevention/VaccineIsItPossibletoPreventLassaFever?GuideLassaFeverTopicGuideFactsYouShouldKnowAboutLassaFeverLassafeverisaviralinfectionthatspreadstohumanbythemultimammaterat.LassafeverfactswrittenbyMelissaConradStöppler,MDLassafeverisaviralinfectionfoundinEastAfrica,includingSierraLeone,Liberia,Guinea,andNigeria.TheLassafevervirusspreadsbyananimalreservoir,orhost,knownasthe"multimammaterat"(Mastomysnatalensis).Lassafeverspreadstohumansmostoftenthroughingestionorinhalationofvirusparticlesinraturine.Signsandsymptomsdevelopabout3weeksafterexposure.Associatedsignsandsymptomscanincludefever,weakness,headaches,vomiting,andmusclepains.About20%ofthoseaffectedhaveamoresevereillness.DeafnessisaknowncomplicationofLassafever.Ribavirinisanantiviraldrugthattreatstheinfection.ThereisnocurrentlyavailablevaccineforLassafever.LassaFeverShareYourStoryLassafeverisanacuteviralillnessthatoccursinwestAfrica.Theillnesswasdiscoveredin1969whentwomissionarynursesdiedinNigeria.ThevirusisnamedafterthetowninNigeriawherethefirstcasesoccurred.Thevirus,amemberofthevirusfamilyArenaviridae,isasingle-strandedRNAvirusandiszoonotic,oranimal-borne.LassafeverisendemicinpartsofwestAfricaincludingSierraLeone,Liberia,GuineaandNigeria;however,otherneighboringcountriesarealsoatrisk,astheanimalvectorforLassavirus,the"multimammaterat"(Mastomysnatalensis)isdistributedthroughouttheregion.In2009,thefirstcasefromMaliwasreportedinatravelerlivinginsouthernMali;Ghanareporteditsfirstcasesinlate2011.IsolatedcaseshavealsobeenreportedinCôted'IvoireandBurkinaFasoandthereisserologicevidenceofLassavirusinfectioninTogoandBenin.ThenumberofLassavirusinfectionsperyearinwestAfricaisestimatedat100,000to


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