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???????????????????????? ??????????????????#????????????#? ?? ?@69??????z2014-12-0919:54:18? ?? ??????????????????????????????????????,???????????????????????????!?????????????????!?????????????????????????????????????????,????????????????????????????????????????????????????????????????????????????????,??????????????????????????????????????????????????,????????????????????????????????????????????????????????,??????????????????????????????????????????????????????????????,?????????????????????????????????????????????????????,?????????????????????????????????????????????????????,???????????????????????????????????????????????????????????????????????,?????????????????,??????????......? ?? ?-----------------------------? ?? ?1???????????????????,??????????????,????????????????????????????????????????????????????????,?????????????????????????????,??????????????!?????????????????????????????,??????????????????????????????????????????????????????????? ?? ?2??????????,?????????????????????????????,?????????????????????????????????????????????????????????????????????????????!????????????????????????????????????????????????????????????????????,???????????????????????????????????????????????!??????????????????????????????????????????????????????????????????????????,???????????????????????????????????????????? ?? ?3?????????????????????????????????????,?????????????????????????????,????????????????????????????????,??????????????????????????????????????????????? ?? ?4????????????????????????????,?????????????????????????????,??????????????????????????????????????????!???????????????????????????????????????????????????????????????????????????,?????????????????????????????? ?? ?5?????????????????????????????????????,???????????????????????????????????????????????!????????????????????????????????????????????,????????(??????????????)????????(???????????????????????)???????????????????????????????????????????????????????????????????????????????????????!?

GlobaleffortaimstofinddiseasevectorsthatcanjumpfromanimalstohumansChinawillhelpleadaprojecttoidentifyunknownvirusesfromwildlifetobetterpreparehumansformajorepidemics?-?ifnotglobalpandemics.Theprojectistobelaunchedthisyear,accordingtooneofthecountry'stophealthofficials.TheGlobalViromeProjectwillstartinChinaandThailandwithfieldworktocollectsamplesfromwildanimalsandanalyzethevirusesdetected,saidGaoFu,headoftheChineseCenterforDiseaseControlandPrevention."Scientistswillcollectvirussamplesfromanimalssuchasbatsandratsforstudyusingtechniqueslikenextgeneration(DNA)sequencingtofindwhethernewvirusesexist,"hesaid.Theproject,estimatedtocostupto.2billion,isexpectedtotake10yearsandinvolvesmanycountriesincludingtheUnitedStates,BrazilandNigeria.Throughmoreintensiveandextensivestudyofvirusesfromanimalsthatcouldinfecthumans,itmaybepossibletodealwithvirusesusingpreemptivecontrolsandpreventioninsteadofpassive,reactivemeasures,Gaosaid."Weallknowtherearealmostcertainlynewvirusesthatcouldcausethenextglobalpandemic,butbasedontheexistingearlywarningcapacityfordiseases,wedonotknow,forexample,whichviruswillcauseanepidemic,"Gaosaid."Wearesurethatnewvirusstrainswillappearinthefuturealongwithchangesinourecology,environmentandhumanbehaviors."Forinstance,humans'abuseofantibioticshasleadtothepotentialdevelopmentofsuperbugs."Therearemanyviruseslivinginwildanimals,sowecanidentifyvirusesandthoroughlystudythosethatcouldpasstohumans,"Gaosaid."Ideallywecandevelopvaccinesandadiagnosisforsuchvirusesevenbeforetheycausehumanepidemics."Itisknownthat263virusescaninfecthumans,butscientistsestimatetheremaybemorethanhalfamillionvirusesthatliveinbirdsandmammalsandthatareunknowntohumansthatmaybecapableofinfectinghumans,andtheyaretheprimarysubjectoftheproject'sresearch,Gaosaid.Evenifalargenumberofsuchunknownvirusesareidentified,itispossiblethatjustasmallfractionofthemhavetheabilitytocausemajorepidemicsthatcausehumandeaths,hesaid.However,consideringthehugecostofamajorepidemiclikeSARStohumanhealthandeconomies,thefindingsoftheprojectstillhavethepotentialtogreatlyreducelossesthroughimprovedearlydiagnosisandidentificationofhostsvulnerabletoanewvirusafteranoutbreak,accordingtoGao.AsimilarprojectcarriedoutbytheUSAgencyforInternationalDevelopmentprovedthefeasibilityoftheGlobalViromeProjectandprovideshelpfulexperience,hesaid.TheUSAIDproject,knownasPredictandlaunchedin2009,withChinaaparticipant,ledtofindingsofmorethan1,000virusespreviouslyunknowntohumans.Theprojectcostwasover0million,hesaid.SomeofthetechnologiesusedforthatprojecthaveprovedreliableandeconomicallyaffordableandcanbeusedfortheGlobalViromeProject,Gaosaid.? ?? ?U.S.CommerceSecretaryWilburRossisgoingtovisitChinanextweek,saidU.S.TreasurySecretaryStevenMnuchinonMondayattheWhiteHouse."SecretaryRosshastogooverandturnthatintoasignedpieceofpaperwithcompanies,"Mnuchinsaid,addingthatthisisnotagovernment-to-governmentpurchaseorder,"butwehaveanagreementwiththemastowhatwillbeexecuted."ChinesePresidentXiJinping'sspecialenvoyandVicePremierLiuHejustfinishedhistriptoWashington,DC.HewasthereforChina-U.S.tradetalks,whichhedescribedas"constructive,positiveandfruitful."? ?? ?


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