The 1998–1999 Malaysia Nipah virus outbreak was a Nipah virus outbreak occurred from September 1998 to May 1999 in the states of Perak, Negeri Sembilan and Selangor in Malaysia. A total of 265 cases of acute encephalitis with 105 deaths caused by the virus were reported in the three states throughout the outbreak.1998–1999MalaysiaNipahvirusoutbreakFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearch1998–1999MalaysiaNipahvirusoutbreakThefirstsiteofthevirusinIpohin1998andlateroccurrencetootherplaceswiththevirusextentinbluewhileHendravirusinred,bothbelongtotheParamyxoviridaefamily.The1998–1999NipahvirusoutbreakareasinWestMalaysia,blueistheoriginsourceoftheviruswhiletheredarefurtheraffectedareas.DiseaseNipahvirusinfectionVirusstrainNipahvirusFirstoutbreakIpoh,PerakIndexcaseSeptember1998Confirmedcases265Deaths105The1998–1999MalaysiaNipahvirusoutbreakwasaNipahvirusoutbreakoccurredfromSeptember1998toMay1999inthestatesofPerak,NegeriSembilanandSelangorinMalaysia.Atotalof265casesofacuteencephalitiswith105deathscausedbytheviruswerereportedinthethreestatesthroughouttheoutbreak.[1]TheMalaysianhealthauthoritiesatthefirstthoughtJapaneseencephalitis(JE)wasthecauseofinfectionwhichhamperedthedeploymentofeffectivemeasurestopreventthespreadbeforebeingfinallyidentifiedbyalocalvirologistfromtheFacultyofMedicine,UniversityofMalayathatitwasanewlydiscoveredagentnamedNipahvirus(NiV).ThediseasewasasdeadlyastheEbolavirusdisease(EVD),butattackedthebrainsysteminsteadofthebloodvessels.[1][2]UniversityofMalaya'sFacultyofMedicineandtheUniversityofMalayaMedicalCentreplayedamajorroleinservingasamajorreferralcentrefortheoutbreak,treatingmajorityoftheNipahpatientsandwasinstrumentalinisolatingthenovelvirusandresearchedonitsfeatures.Thisemergingdiseaseswhereitcausedmajorlossestobothanimalandhumanlives,affectinglivestocktradeandcreatedasignificantsetbacktotheswinesectoroftheanimalindustryinMalaysia.[3]Thecountryalsobecametheoriginoftheviruswhereithadnomorecasessince1999butfurtheroutbreakscontinue