Severe fever with thrombocytopenia syndrome (SFTS) is a tickborne zoonosis caused by the SFTS virus (SFTSV) (1); >1,000 SFTS cases have ...SkipdirectlytositecontentSkipdirectlytopageoptionsSkipdirectlytoA-ZlinkSkipdirectlytoA-ZlinkSkipdirectlytoA-ZlinkEmergingInfectiousDiseasejournalISSN:1080-6059SectionNavigationCDCHomeFacebookTwitterLinkedInSyndicateOnThisPageResearchLetterCiteThisArticleFiguresFigureDownloadsArticleAppendixArticle&AppendixRIS[TXT-2KB]ArticleMetricsMetricDetails2citationsofthisarticleEIDJournalMetricsonScopusRelatedArticlesAutochthonousTick-BorneEncephalitis,BelgiumAnthemosomagarnhamiinanHIV-InfectedManfromZimbabweLivinginSouthAfricaKyasanurForestDiseaseamongNonhumanPrimatesMorearticlesonTicksJeongRaeYoo1,SangTaekHeo1,SungWookSong,SeungGeonBae,SeulLee,SunghoChoi,ChaehyunLee,SugyeongJeong,MyeongseopKim,WoojinSa,YeongrimLee,HaseonChoi,Sun-HoKee,andKeunHwaLee Authoraffiliations:JejuNationalUniversity,Jeju,SouthKorea(J.R.Yoo,S.T.Heo,S.W.Song,S.G.Bae,S.Lee,S.Choi,C.Lee,S.Jeong,M.Kim,W.Sa,Y.Lee,H.Choi);KoreaUniversity,Seoul,SouthKorea(S.-H.Kee);HanyangUniversityCollegeofMedicine,Seoul(K.H.Lee).CiteThisArticleOpenmodalAbstractDuring2016–2018,wecollected3,193ticksfromruralareasinSouthKoreatoinvestigatetheprevalenceofseverefeverwiththrombocytopeniasyndromevirus(SFTSV).WedetectedSFTSVinticksataninfectionrate(IR)of11.1%.WenotedincreasesinthehumanIRassociatedwiththemonthlySFTSVIRinticks.Severefeverwiththrombocytopeniasyndrome(SFTS)isatickbornezoonosiscausedbytheSFTSvirus(SFTSV)(1);>1,000SFTScaseshavebeenreportedinSouthKorea(2).TheSFTSprevalenceratewas2.26/100,000inhabitantsonthemainlandand13.66/100,000inhabitantsonJejuIsland,SouthKorea(2).SFTSVhasbeendetectedinseveralspeciesofticks,includingHaemaphysalislongicornis,Amblyommatestudinarium,andIxodesnipponensis(3).ApreviousstudyreportedthattheminimuminfectionrateofSFTSVininfectedtickswaslower(0.37%)onJejuIslandthaninothercollectionareas(1.97%)(4).However,7%–14%SFTSVseropositivitywasidentifiedindomesticandwildani