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??: ???????     ??: 2020-06-03 20:13:38
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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.? ?? ?Iran'sForeignMinistryonMondayrejectedtheU.S.SecretaryofStateMikePompeo'sthreateningremarksas"absurdandinterventionist."Inastatement,theForeignMinistrySpokesmanBahramQasemisaidthattheUnitedStatesseekstodistracttheglobalattentionfromits"illegalmoves"concerningIran'snucleardealbythreateningandinsultingtheIraniannation.DespitetheUnitedStates,Iranhasbeenboundtoitsinternationalobligations,thestatementsaid.TheexistingproblemsinIraq,Syria,Yemen,PalestineandAfghanistanaretheresultsoftheU.S.policiesintheregion,therefore,"theAmericansarenotentitledtoinfluenceIran'spoliciesinitsownregion.""Overthepastfourdecades,theIslamicrepublichasresistedtheU.S.anditsallies'plotsandhasturnedoutvictorious,"hesaid,addingthatlikewise,theIslamicrepublicwillaborttheU.S.hostilepoliciesinthefutureaswell.IranpreservestherighttolegallysuetheUnitedStatesoveritsillegalmeasuresandthreats,hestressed.PompeosaidonMondayherethatIranwillsufferthetoughestsanctionsinhistoryfromtheUnitedStatesifitdoesnotchangethecurrentcourse.PompeourgedTehrantoreporttotheInternationalAtomicEnergyAgencyaboutitsnuclearprogram,endproliferationofitsmissiles,andstopsupporting"terroristgroups"intheMiddleEast.? ?? ?


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