GENEVA,(Xinhua)--DespitethefirstexportedcaseofnovelcoronavirusfromtheChinesecityofWuhan,theWorldHealthOrganization(WHO)saidTuesdaythatthereisnoclearenceofhuman-to-humantransmission,modesoftransmission,commonsourceofexposureandthepotentialtransmissibilityamonghumansandtocontinueinvestigationstoidentifythesourceofinfection,,a61-year-oldChinesewomandevelopedfeverwithchills,(2019-nCoV),butdidnotgotoWuhansHuananSeafoodWholesaleMarket,,41caseswithnovelcoronavirusinfectionhavebeenpreliminarilydiagnosed,。