Rift valley fever ... Rift Valley fever (RVF) is a viral zoonosis that primarily affects animals but also has the capacity to infect humans. It is transmitted by ...Home/Healthtopics/RiftValleyFeverOverviewRiftValleyfever(RVF)isaviralzoonosisthatprimarilyaffectsanimalsbutalsohasthecapacitytoinfecthumans.Itistransmittedbymosquitoesandbloodfeedingflies.Inhumans,thediseaserangesfromamildflu-likeillnesstoseverehaemorrhagicfeverthatcanbelethal.Whenlivestockareinfectedthediseasecancausesignificanteconomiclossesduetohighmortalityratesinyounganimalsandwavesofabortionsinpregnantfemales. Whilesomehumaninfectionshaveresultedfromthebiteofinfectedmosquitoes,mosthumaninfectionsresultfromcontactwiththebloodororgansofinfectedanimals.Occupationalgroupssuchasherders,farmers,slaughterhouseworkersandveterinariansareathigherriskofinfection.Humansmayalsobecomeinfectedbyingestingtheunpasteurizedoruncookedmilkofinfectedanimals.Nohuman-to-humantransmissionofRVFhasbeendocumented. ThevirusisamemberofthePhlebovirusgenusandwasfirstidentifiedin1931inasheepepidemiconafarmintheRiftValleyofKenya.Sincethen,outbreakshavebeenreportedinsub-SaharanAfricaandNorthAfrica.In2000,thefirstreportedcasesofthediseaseoutsidetheAfricancontinentcamefromSaudiArabiaandYemen.  SymptomsMildformofRiftValleyFeverinhumans TheintervalfrominfectiontoonsetofsymptomsforRiftValleyfever(RVF)variesfrom2to6days.Initsmildform,peoplewhoareinfectedwiththeviruseitherexperiencenodetectablesymptomsatallordevelopamildformofthediseasecharacterizedbyafeverishsyndromewithsuddenonsetofflu-likefever,musclepain,jointpainandheadache.Somepatientsdevelopneckstiffness,sensitivitytolight,lossofappetiteandvomiting;inthesepatientsthedisease,initsearlystages,maybemistakenformeningitis.ThesymptomsofRVFusuallylastfrom4to7days. SevereformofRiftValleyFeverinhumans Whilemosthumancasesarerelativelymild,asmallpercentageofpatientsdevelopamuchmoresevereformofthedisease.Thisusuallyappearsasoneormoreofthreedistinctsyndromes:ocular(eye)disease(0.5-2%ofpatients),

Rift Valley Fever (RVF)is caused by RFV virus, a zoonotic virus (family Bunyaviridae and genus Phlebovirus) transmitted by mosquitoes and blood feeding ...HomeDiseases&ConditionsImportantDiseasesHomeHomeAboutCDCAboutCDCAboutCDCAboutCDCPoliciesNHCCActsandRegulationsActsandRegulationsActsandRegulationsActsRegulationsDirectionsPublicationsPublicationsPublicationsBooksPeriodicalsOthersDiseases&ConditionsDiseases&ConditionsDiseases&ConditionsImportantDiseasesTravelers’HealthQuarantineQuarantineQuarantineBackgroundObjectivesStrategiesLawsandRegulationsTravelHealthNoticesForeigners’HealthInfectionControlandBiosafetyVaccine-PreventableDiseasesControlPrograms&CampaignsPrograms&CampaignsPrograms&CampaignsResearch&DevelopmentStopTBSpecialProjectPreparednessandResponseFieldEpidemiologyTrainingProgramFieldEpidemiologyTrainingProgramFieldEpidemiologyTrainingProgramFieldEpidemiologyTrainingProgramResearchReportsInternship(training)ProgramsGuidelinesData&StatisticsData&StatisticsData&StatisticsTaiwanNationalInfectiousDiseaseStatisticsSystemStatisticsofHIV/AIDSDiseaseSurveillanceExpressInfluenzaExpressNationalNotifiableDiseaseSurveillanceReportNationalNotifiableDiseaseSurveillanceReportNationalNotifiableDiseaseSurveillanceReportYearlyReportMonthlyReportWeeklyReportofEnterovirusInfectionWeeklyReportofEnterovirusInfectionWeeklyReportofEnterovirusInfectionWeeklyReport2021WeeklyReport2020WeeklyReport2019WeeklyReport2018WeeklyReport2017WeeklyReport2016WeeklyReport2015WeeklyReport2014WeeklyReport2013WeeklyReport2012WeeklyReport2011WeeklyReport2010WeeklyReport2009WeeklyReport2008School-basedSurveillanceReportTaiwanNosocomialInfectionsSurveillanceSystemTaiwanCDCOpenDataPortalInternationalCooperationInternationalCooperationInternationalCooperationTaiwanIHRNationalFocalPointContactInformationInternationalCooperationInternationalConferenceAPECRelatedEventsForeignVisitorsRelativeResourcesSchoolVisitsNewsNewsNewsPressReleasesCurrentTopicsEventsPrivacyPolicySecurityPolicyGovernmentWebsiteOpenInfo

Rift Valley fever (RVF) is a viral zoonosis that primarily affects animals but also has the capacity to infect humans.Home/Newsroom/Factsheets/Detail/RiftValleyfeverRiftValleyfever19February2018KeyfactsRiftValleyfever(RVF)isaviralzoonosisthatprimarilyaffectsanimalsbutcanalsoinfecthumans.Themajorityofhumaninfectionsresultfromcontactwiththebloodororgansofinfectedanimals.Humaninfectionshavealsoresultedfromthebitesofinfectedmosquitoes.Todate,nohuman-to-humantransmissionofRVFvirushasbeendocumented.Theincubationperiod(theintervalfrominfectiontoonsetofsymptoms)forRVFvariesfrom2to6days.OutbreaksofRVFinanimalscanbepreventedbyasustainedprogrammeofanimalvaccination. RiftValleyfever(RVF)isaviralzoonosisthatprimarilyaffectsanimalsbutalsohasthecapacitytoinfecthumans.Infectioncancauseseverediseaseinbothanimalsandhumans.ThediseasealsoresultsinsignificanteconomiclossesduetodeathandabortionamongRVF-infectedlivestock.RVFvirusisamemberofthePhlebovirusgenus.Theviruswasfirstidentifiedin1931duringaninvestigationintoanepidemicamongsheeponafarmintheRiftValleyofKenya.Sincethen,outbreakshavebeenreportedinsub-SaharanAfrica.In1977anexplosiveoutbreakwasreportedinEgypt,theRVFviruswasintroducedtoEgyptviainfectedlivestocktradealongtheNileirrigationsystem.In1997–98,amajoroutbreakoccurredinKenya,SomaliaandTanzaniafollowingElNiñoeventandextensiveflooding.FollowinginfectedlivestocktradefromthehornofAfrica,RVFspreadinSeptember2000toSaudiArabiaandYemen,markingthefirstreportedoccurrenceofthediseaseoutsidetheAfricancontinentandraisingconcernsthatitcouldextendtootherpartsofAsiaandEurope.TransmissioninhumansThemajorityofhumaninfectionsresultfromdirectorindirectcontactwiththebloodororgansofinfectedanimals.Theviruscanbetransmittedtohumansthroughthehandlingofanimaltissueduringslaughteringorbutchering,assistingwithanimalbirths,conductingveterinaryprocedures,orfromthedisposalofcarcassesorfetuses.Certainoccupationalgroupssuchasherders,farmers,slaughterhouseworkers,andveterinariansarethereforeathigherriskofinfectio

Rift Valley fever can be diagnosed by virus isolation. The virus can be isolated from the blood of febrile animals. It can also be recovered from the tissues ...GovernorPhilMurphy•Lt.GovernorSheilaOliverNJHome|ServicesAtoZ|Departments/Agencies|FAQs     HomeAboutNJDADivisionsAgriculturalandNaturalResourcesAnimalHealthFoodandNutritionMarketingandDevelopmentPlantIndustryE-Licensing/RegistrationApplicationsandFormsGrants,FinancialServicesPublicationsRuleProposals/AdoptionsNewsTopicsAtoZHome>Divisions>AnimalHealth>AnimalDiseasesRiftValleyFeverAnimalDiseaseFactSheetsVirulentNewcastleDiseaseAvianInfluenzaCanineInfluenzaVirusEquineHerpesVirusNovelH1N1InfluenzaASwineEntericCoronavirusDiseaseRelatedLinksSynonyms:InfectiousenzootichepatitisofsheepandcattleInfectionsinHumansInfectionsinAnimalsInternetResourcesReferencesEtiologyRiftValleyfeverresultsfrominfectionbytheRiftValleyfevervirus,anRNAvirusinthegenusPhlebovirus(familyBunyaviridae).GeographicDistributionRiftValleyfeverisfoundthroughoutmostofAfrica.OutbreaksoccuratirregularintervalsinsouthernandeasternAfrica,aswellasinEgypt.TransmissionRiftValleyfeveristransmittedbymosquitoesandisusuallyamplifiedinruminanthosts.ThevirusappearstosurviveinthedriedeggsofAedesmosquitoes;whenthesemosquitoeshatchduringwetyears,epidemicscanoccur.Aedesandotherspeciesofmosquitoescantransmitinfectionsfromtheamplifyinghosts.Ticksandbitingmidgesmayalsobeabletospreadthevirus.Humansdonotseemtobeinfectedbycontactwithlivehosts,butcanbeinfectedbyaerosolsordirectcontactwithtissuesduringparturition,necropsy,slaughter,laboratoryproceduresormeatpreparationforcooking.TheRiftValleyfeverviruscanbefoundinrawmilk.Itisalsolikelytobepresentinsemen;therefore,sexualtransmissionmaybepossible.Underoptimalconditions,theRiftValleyfevervirusremainsviableinaerosolsformorethananhourat25°C.InaneutraloralkalinepH,mixedwithserumorotherproteins,theviruscansurviveforaslongas4monthsat4°Cand8yearsbelow0°C.ItisquicklydestroyedindecomposingcarcassesbypHchanges.Disinfection/Inactivatio

Rift valley fever virus (RVFV) is a causative agent of a viral zoonosis that constitutes a major clinical burden in wild and domestic ruminants.SkiptomaincontentYouarehereHomeArchiveVolume5, Issue8Riftvalleyfever:diagnosticchallengesandinvestmentneedsforvaccinedevelopmentEmailalertsArticleTextArticlemenuArticleTextArticleinfoCitationToolsShareRapidResponsesArticlemetricsAlertsPDFXMLAnalysisRiftvalleyfever:diagnosticchallengesandinvestmentneedsforvaccinedevelopmenthttp://orcid.org/0000-0001-5997-0173VelislavaPetrova1,PaulKristiansen2,GunnsteinNorheim3,SolomonAYimer21HumanGeneticsProgramme,WellcomeSangerInstitute,Cambridge,UK2VaccineResearchandDevelopment,CoalitionforEpidemicPreparednessInnovations,Oslo,Norway3InfectiousDiseases,VaccibodyAS,Oslo,NorwayCorrespondencetoDrVelislavaPetrova;velislava.petrova{at}cepi.net;DrSolomonAYimer;solomon.yimer{at}cepi.netAbstractRiftvalleyfevervirus(RVFV)isacausativeagentofaviralzoonosisthatconstitutesamajorclinicalburdeninwildanddomesticruminants.Theviruscausesmajoroutbreaksinlivestock(sheep,goats,cattleandcamels)andcanbetransmittedtohumansbycontaminatedanimalproductsorviaarthropodvectors.Human-to-humantransmissionhasnotbeenreportedtodate,butspill-overeventsfromanimalshaveledtooutbreaksinhumansinAfricaandtheArabianPeninsula.Currently,thereisnolicensedhumanvaccineagainstRVFVandthevirusislistedasaprioritypathogenbytheWorldHealthOrganisation(WHO)duetothehighepidemicpotentialandthelackofeffectivecountermeasures.MultiplelargeRVFVoutbreakshavebeenreportedsincetheviruswasdiscovered.Duringthelasttwodecades,over4000casesand~1000deathshavebeenreported.ThelackofsystematicsurveillancetoestimatethetrueburdenandincidenceofhumanRVFdiseaseisachallengeforplanningfuturevaccineefficacyevaluation.Thiscreatesaneedforrobustdiagnosticmethodologiesthatcanbedeployedinremoteregionstoaidcaseconfirmation,assessmentofseroprevalenceaswellaspathogensurveillancerequiredforthedifferentstagesofvaccineevaluation.Here,weperformcomprehensivelandscapingoftheavailabledia

Rift Valley fever ... Rift Valley fever (RVF) is an acute arthropod-borne viral disease that can cause severe disease in domestic animals, such as buffalo, camels ...DirectaccesstocontentDirectaccesstoresearchDirectaccesstomenuHome»Diseases»RiftValleyfeverRiftValleyfeverRiftValleyfever(RVF)isanacutearthropod-borneviraldiseasethatcancauseseverediseaseindomesticanimals,suchasbuffalo,camels,cattle,goats,andsheep.RiftValleyfeverisalsoanimportantzoonosisthatcancauseseverediseaseinhumans.ThediseasewasfirstdetectedontheArabianPeninsulain2000,havingspreadoutsideofAfricaforthefirsttime.ThisraisedconcernsthatRiftValleyfevercouldextendtootherpartsofAsiaandEurope.OutbreakshavebeenreportedinSub-SaharanAfricaandEgypt.Diseaseinsusceptibleanimalscanvaryinseverityandischaracterizedbyfever,listlessness,anorexia,disinclinationtomove,abortions,andhighmorbidityandmortalityratesinneonatalanimals.RVFisanOIE-listeddiseaseandmustbereportedtotheOIEasindicatedintheOIETerrestrialAnimalHealthCodeChapters1.1and8.15.Becauseofitslonginter-epizooticintervals,itisalsoregardedasare-emergingdisease.LinkstoCodeandManualTerrestrialcodeCodeChapteronDiseaseTerrestrialmanualManualChapteronDiseasesWhatisRiftValleyFever(RVF)?RiftValleyfever(RVF)isanacutearthropod-borneviraldiseasethatcancauseseverediseaseindomesticanimals,suchasbuffalo,camels,cattle,goats,andsheep.RiftValleyfeverisalsoanimportantzoonosisthatcancauseseverediseaseinhumans.Diseaseinsusceptibleanimalscanvaryinseverityandischaracterizedbyfever,listlessness,anorexia,disinclinationtomove,abortions,andhighmorbidityandmortalityratesinneonatalanimals.TheviruswhichcausesRVFbelongstothegenusPhlebovirus,orderofBunyavirales,familyPhenuiviridae.RVFisanOIE-listeddiseaseandmustbereportedtotheOIEasindicatedintheOIETerrestrialAnimalHealthCodeChapters1.1and8.15. Becauseofitslonginter-epizooticintervals,itisalsoregardedasare-emergingdisease.VectortransmissionandspreadSeveraldifferentspeciesofmosquitoesarecompetentvectorsfortheRVFvirus,andrisesinincidenceofRVFmos

SkipdirectlytositecontentSkipdirectlytopageoptionsSkipdirectlytoA-ZlinkRiftValleyFever(RVF)SectionNavigationCDCHomeFacebookTwitterLinkedInSyndicateRiftValleyFever(RVF)FrenchMinusRelatedPagesRiftValleyfever(RVF)isaviraldiseasemostcommonlyseenindomesticatedanimalsinsub-SaharanAfrica,suchascattle,buffalo,sheep,goats,andcamels.PeoplecangetRVFthroughcontactwithblood,bodyfluids,ortissuesofinfectedanimals,orthroughbitesfrominfectedmosquitoes.Spreadfrompersontopersonhasnotbeendocumented.AlthoughRVFoftencausessevereillnessinanimals,mostpeoplewithRVFhaveeithernosymptomsoramildillnesswithfever,weakness,backpain,anddizziness.However,asmallpercentage(8-10%)ofpeoplewithRVFdevelopmuchmoreseveresymptoms,includingeyedisease,hemorrhage(excessivebleeding),andencephalitis(swellingofthebrain).WhatisRiftValleyFever?TransmissionSignsandSymptomsRiskofExposureDiagnosisTreatmentPreventionResourcesOutbreakresources,VHFinformationforspecificgroups,andeducationalpostersOutbreaksRVFDistributionMapPagelastreviewed:February25,2020Contentsource:CentersforDiseaseControlandPrevention,NationalCenterforEmergingandZoonoticInfectiousDiseases(NCEZID),DivisionofHigh-ConsequencePathogensandPathology(DHCPP),ViralSpecialPathogensBranch(VSPB)homeRiftValleyFeverWhatisRVF?TransmissionplusiconVirusEcologySigns&SymptomsRiskofExposureDiagnosisTreatmentPreventionOutbreaksplusiconOutbreakSummariesRVFDistributionMapResourcesplusiconPostersFacebookTwitterLinkedInSASstatsExitNotification/DisclaimerPolicyCloseLinkswiththisiconindicatethatyouareleavingtheCDCwebsite.TheCentersforDiseaseControlandPrevention(CDC)cannotattesttotheaccuracyofanon-federalwebsite.Linkingtoanon-federalwebsitedoesnotconstituteanendorsementbyCDCoranyofitsemployeesofthesponsorsortheinformationandproductspresentedonthewebsite.Youwillbesubjecttothedestinationwebsite'sprivacypolicywhenyoufollowthelink.CDCisnotresponsibleforSection508compliance(accessibility)onotherfederalorprivatewebsite.FormoreinformationonCDC'swebnotificationpolicies,seeWebsiteDisclai

Rift Valley Fever is a disease that affects people and livestock. EcoHealth Alliance is currently investigating how it travels, and how it can be prevented.OneHealthRiftValleyFeverProgramInfo*TheprojectdepictedissponsoredbytheU.S.DepartmentofDefense,DefenseThreatReductionAgency. Thecontentoftheinformationdoesnotnecessarilyreflectthepositionorthepolicyofthefederalgovernment,andnoofficialendorsementshouldbeinferred.RiftValleyfever(RVF)isconsideredadiseaseofspecialconcernaroundtheworld.Causedbyavirustransmittedbymosquitoes,RVFhasdevastatingimpactsonlivestockinpartsoftheworldwherepeoplearemostdependentonanimalsfortheirlivelihoodsandtheirdailyfood.Thediseasecanalsobedeadlyforpeople. Itislargelyfoundinsub-SaharanAfricabutin2000thevirusspreadfromtheAfricancontinentintoSaudiArabiaandintoYemen. RiftValleyfevermostfrequentlycausesabortionsinlivestock,especiallysheep,andmanyvirologistspredictitcouldbethe“NextWestNile”duetothelikelihoodthatitcouldarriveintheAmericasinasimilarmannerandcausesignificanteconomiccosts.Despitetheseriousnessofthedisease,littleisknownaboutwheretheviruslurksbetweenoutbreaksandthislackofunderstandinglimitsthepotentialopportunitiesforprotectingpeopleandanimals.Whensolvingvexingproblemsofbothanimalandhumanhealth,aOneHealthapproachisneeded.ForRVF,thismeansweneedtoinvestigatethelinksbetweentheenvironment(weather,climate,soilandvegetationfactors),mosquitoandsusceptiblehostcharacteristics,andhumanbehaviorinat-riskpopulations.EcoHealthAlliancehasformedacoalitionofpartnersincludingbothnationalandlocalorganizationsinSouthAfricatoimprovetheircapacityforprevention,detection,andreportingofRiftValleyfeverinpeople,livestockandwildlife. WeareworkingwithourSouthAfricanpartnerstotraintoregionalscientistsandstudents;conductpopulationandindividuallevelstudiesinawiderangeofanimals;collectandcomparedatarelatedtoweather,environment,andrisktopeopleworkingwithlivestock;anddisseminateinformationtostakeholdersandpeopleinhigh-riskoccupations.EcoHealthAllianceisattheforefrontofafie

Rift Valley fever (RVF) is a viral disease of humans and livestock that can cause mild to severe symptoms. The mild symptoms may include: fever, ...RiftValleyfeverFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchHumanandlivestockviraldiseaseMedicalconditionRiftValleyfeverTEMmicrographoftissueinfectedwithRiftValleyfevervirusSpecialtyInfectiousdisease,veterinarymedicine SymptomsFever,musclepains,headaches[1]ComplicationsLossofsight,confusion,bleeding,liverproblems[1]DurationUptoaweek[1]CausesPhlebovirusspreadbyaninfectedanimalormosquito[1]DiagnosticmethodFindingantibodiesorthevirusintheblood[1]PreventionVaccinatinganimalsagainstthedisease,decreasingmosquitobites[1]TreatmentSupportivecare[1]FrequencyOutbreaksinAfricaandArabia[1]RiftValleyfever(RVF)isaviraldiseaseofhumansandlivestockthatcancausemildtoseveresymptoms.Themildsymptomsmayinclude:fever,musclepains,andheadacheswhichoftenlastforuptoaweek.Theseveresymptomsmayinclude:lossofsightbeginningthreeweeksaftertheinfection,infectionsofthebraincausingsevereheadachesandconfusion,andbleedingtogetherwithliverproblemswhichmayoccurwithinthefirstfewdays.Thosewhohavebleedinghaveachanceofdeathashighas50%.[1]ThediseaseiscausedbytheRVFvirus.Itisspreadbyeithertouchinginfectedanimalblood,breathingintheairaroundaninfectedanimalbeingbutchered,drinkingrawmilkfromaninfectedanimal,orthebiteofinfectedmosquitoes.Animalssuchascows,sheep,goats,andcamelsmaybeaffected.Intheseanimalsitisspreadmostlybymosquitoes.[1]Itdoesnotappearthatonepersoncaninfectanotherperson.Thediseaseisdiagnosedbyfindingantibodiesagainstthevirusorthevirusitselfintheblood.[1]Preventionofthediseaseinhumansisaccomplishedbyvaccinatinganimalsagainstthedisease.Thismustbedonebeforeanoutbreakoccursbecauseifitisdoneduringanoutbreakitmayworsenthesituation.Stoppingthemovementofanimalsduringanoutbreakmayalsobeuseful,asmaydecreasingmosquitonumbersandavoidingtheirbites.Thereisahumanvaccine;however,asof2010itisnotwidelyavailable.Thereisnospecifictreatmentandmedicaleffortsares