2018今晚码特开奖今晚开奖四不象

湖南省人民政府门户网站 发布时间:20191117 【字体:

  2018今晚码特开奖今晚开奖四不象

  

  20191117 ,>>【2018今晚码特开奖今晚开奖四不象】>>,  【解说】潜艇、巡洋舰、驱逐舰、护卫舰行驶在水面上,队伍整齐,带起浪花,这场舰船“表演”,其实这只是几位老人自制的舰船模型。

     张子胥北京报道Beijingdisagreeswithcharacterizationofbombersonislandas'militarization'TherecentlandingofbomberaircraftonaSouthChinaSeaislandbythePeople'sLiberationArmyAirForceispartofnormaltrainingthatshouldnotbeover-interpreted,ForeignMinistryspokesmanLuKangsaidonMonday.LumadetheremarkwhenhewasrequestedtocommentonthereactionoftheUnitedStatesandthePhilippinestotheexercises.PentagonspokesmanU.S.MarineLieutenantColonelChristopherLogansaidChina's"continuedmilitarizationofdisputedfeaturesintheSouthChinaSeaonlyservestoraisetensionsanddestabilizetheregion",TheAssociatedPressreported.LurebukedthePentagon'scomments,sayingthetrainingexerciseisnotwhattheU.S.hascalled"militarization"."TheSouthChinaSeaislandsareChina'sterritory.ThetrainingisanormalexerciseconductedbytheChinesemilitary.It'snotnecessaryforotherpartiestomakeanover-interpretation,"Lusaid."Theyaretotallydifferentinnaturethanthebehaviorofdrivingonecountry'sownmilitaryvesselsandaircraftacrossalong,longdistancetotheSouthChinaSeaandposingathreattoregionalcountries,"Luadded.Bombersofdifferenttypes,includinganunspecifiednumberofH-6KsfromadivisionofthePLAAirForce,tookofffromanairportinsouthernChinaandmadeasimulatedstrikebeforelandingonanislandintheSouthChinaSea,accordingtoanAirForcestatementonFriday.ThePhilippineDepartmentofForeignAffairssaidinastatementonMondayitis"closelymonitoringdevelopments"intheSouthChinaSeaand"takingtheappropriatediplomaticactionnecessary",butdidnotnameChina.TheU.S.hasdispatcheditsmilitaryvesselsandaircrafttotheSouthChinaSeaforyears.ItsB-52bomberscarriedouttrainingexercisesinthevicinityoftheSouthChinaSeainlateApril,ReutersquotedtheU.S.AirForceassaying.ThenewscamelessthanamonthaftertheU.S.senttheaircraftcarrierUSSTheodoreRoosevelttotheSouthChinaSea.CountriesneedtogetusedtoChina'straininginitsownterritory,saidTengJianqun,aresearcherattheChinaInstituteofInternationalStudies.Suchtraining,inlinewithinternationallawandnotthreateningthesecurityofothercountries,isnot"militarization",hesaid.TheU.S.shouldstop"pointingitsfingers"atsuchtraining,whichwillnotalterChina'sdeterminationtosafeguarditsterritory,hesaid.  

 

  资料图:猪肉。GlobaleffortaimstofinddiseasevectorsthatcanjumpfromanimalstohumansChinawillhelpleadaprojecttoidentifyunknownvirusesfromwildlifetobetterpreparehumansformajorepidemics-ifnotglobalpandemics.Theprojectistobelaunchedthisyear,accordingtooneofthecountry'stophealthofficials.TheGlobalViromeProjectwillstartinChinaandThailandwithfieldworktocollectsamplesfromwildanimalsandanalyzethevirusesdetected,saidGaoFu,headoftheChineseCenterforDiseaseControlandPrevention."Scientistswillcollectvirussamplesfromanimalssuchasbatsandratsforstudyusingtechniqueslikenextgeneration(DNA)sequencingtofindwhethernewvirusesexist,"hesaid.Theproject,estimatedtocostupto$1.2billion,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.Theprojectcostwasover$170million,hesaid.SomeofthetechnologiesusedforthatprojecthaveprovedreliableandeconomicallyaffordableandcanbeusedfortheGlobalViromeProject,Gaosaid.  

 

  <<|2018今晚码特开奖今晚开奖四不象|>>GlobaleffortaimstofinddiseasevectorsthatcanjumpfromanimalstohumansChinawillhelpleadaprojecttoidentifyunknownvirusesfromwildlifetobetterpreparehumansformajorepidemics-ifnotglobalpandemics.Theprojectistobelaunchedthisyear,accordingtooneofthecountry'stophealthofficials.TheGlobalViromeProjectwillstartinChinaandThailandwithfieldworktocollectsamplesfromwildanimalsandanalyzethevirusesdetected,saidGaoFu,headoftheChineseCenterforDiseaseControlandPrevention."Scientistswillcollectvirussamplesfromanimalssuchasbatsandratsforstudyusingtechniqueslikenextgeneration(DNA)sequencingtofindwhethernewvirusesexist,"hesaid.Theproject,estimatedtocostupto$1.2billion,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.Theprojectcostwasover$170million,hesaid.SomeofthetechnologiesusedforthatprojecthaveprovedreliableandeconomicallyaffordableandcanbeusedfortheGlobalViromeProject,Gaosaid.  

   GlobaleffortaimstofinddiseasevectorsthatcanjumpfromanimalstohumansChinawillhelpleadaprojecttoidentifyunknownvirusesfromwildlifetobetterpreparehumansformajorepidemics-ifnotglobalpandemics.Theprojectistobelaunchedthisyear,accordingtooneofthecountry'stophealthofficials.TheGlobalViromeProjectwillstartinChinaandThailandwithfieldworktocollectsamplesfromwildanimalsandanalyzethevirusesdetected,saidGaoFu,headoftheChineseCenterforDiseaseControlandPrevention."Scientistswillcollectvirussamplesfromanimalssuchasbatsandratsforstudyusingtechniqueslikenextgeneration(DNA)sequencingtofindwhethernewvirusesexist,"hesaid.Theproject,estimatedtocostupto$1.2billion,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.Theprojectcostwasover$170million,hesaid.SomeofthetechnologiesusedforthatprojecthaveprovedreliableandeconomicallyaffordableandcanbeusedfortheGlobalViromeProject,Gaosaid.  随着生猪生产政策落地,生猪产能逐步恢复,猪肉价格将会逐步企稳。

 

   Beijingdisagreeswithcharacterizationofbombersonislandas'militarization'TherecentlandingofbomberaircraftonaSouthChinaSeaislandbythePeople'sLiberationArmyAirForceispartofnormaltrainingthatshouldnotbeover-interpreted,ForeignMinistryspokesmanLuKangsaidonMonday.LumadetheremarkwhenhewasrequestedtocommentonthereactionoftheUnitedStatesandthePhilippinestotheexercises.PentagonspokesmanU.S.MarineLieutenantColonelChristopherLogansaidChina's"continuedmilitarizationofdisputedfeaturesintheSouthChinaSeaonlyservestoraisetensionsanddestabilizetheregion",TheAssociatedPressreported.LurebukedthePentagon'scomments,sayingthetrainingexerciseisnotwhattheU.S.hascalled"militarization"."TheSouthChinaSeaislandsareChina'sterritory.ThetrainingisanormalexerciseconductedbytheChinesemilitary.It'snotnecessaryforotherpartiestomakeanover-interpretation,"Lusaid."Theyaretotallydifferentinnaturethanthebehaviorofdrivingonecountry'sownmilitaryvesselsandaircraftacrossalong,longdistancetotheSouthChinaSeaandposingathreattoregionalcountries,"Luadded.Bombersofdifferenttypes,includinganunspecifiednumberofH-6KsfromadivisionofthePLAAirForce,tookofffromanairportinsouthernChinaandmadeasimulatedstrikebeforelandingonanislandintheSouthChinaSea,accordingtoanAirForcestatementonFriday.ThePhilippineDepartmentofForeignAffairssaidinastatementonMondayitis"closelymonitoringdevelopments"intheSouthChinaSeaand"takingtheappropriatediplomaticactionnecessary",butdidnotnameChina.TheU.S.hasdispatcheditsmilitaryvesselsandaircrafttotheSouthChinaSeaforyears.ItsB-52bomberscarriedouttrainingexercisesinthevicinityoftheSouthChinaSeainlateApril,ReutersquotedtheU.S.AirForceassaying.ThenewscamelessthanamonthaftertheU.S.senttheaircraftcarrierUSSTheodoreRoosevelttotheSouthChinaSea.CountriesneedtogetusedtoChina'straininginitsownterritory,saidTengJianqun,aresearcherattheChinaInstituteofInternationalStudies.Suchtraining,inlinewithinternationallawandnotthreateningthesecurityofothercountries,isnot"militarization",hesaid.TheU.S.shouldstop"pointingitsfingers"atsuchtraining,whichwillnotalterChina'sdeterminationtosafeguarditsterritory,hesaid.  GlobaleffortaimstofinddiseasevectorsthatcanjumpfromanimalstohumansChinawillhelpleadaprojecttoidentifyunknownvirusesfromwildlifetobetterpreparehumansformajorepidemics-ifnotglobalpandemics.Theprojectistobelaunchedthisyear,accordingtooneofthecountry'stophealthofficials.TheGlobalViromeProjectwillstartinChinaandThailandwithfieldworktocollectsamplesfromwildanimalsandanalyzethevirusesdetected,saidGaoFu,headoftheChineseCenterforDiseaseControlandPrevention."Scientistswillcollectvirussamplesfromanimalssuchasbatsandratsforstudyusingtechniqueslikenextgeneration(DNA)sequencingtofindwhethernewvirusesexist,"hesaid.Theproject,estimatedtocostupto$1.2billion,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.Theprojectcostwasover$170million,hesaid.SomeofthetechnologiesusedforthatprojecthaveprovedreliableandeconomicallyaffordableandcanbeusedfortheGlobalViromeProject,Gaosaid.  

 

     对于未来猪肉价格走势,国家统计局新闻发言人刘爱华11月14日表示,各地非常重视恢复生猪生产,采取多种措施保供稳价,增加猪肉供应。GlobaleffortaimstofinddiseasevectorsthatcanjumpfromanimalstohumansChinawillhelpleadaprojecttoidentifyunknownvirusesfromwildlifetobetterpreparehumansformajorepidemics-ifnotglobalpandemics.Theprojectistobelaunchedthisyear,accordingtooneofthecountry'stophealthofficials.TheGlobalViromeProjectwillstartinChinaandThailandwithfieldworktocollectsamplesfromwildanimalsandanalyzethevirusesdetected,saidGaoFu,headoftheChineseCenterforDiseaseControlandPrevention."Scientistswillcollectvirussamplesfromanimalssuchasbatsandratsforstudyusingtechniqueslikenextgeneration(DNA)sequencingtofindwhethernewvirusesexist,"hesaid.Theproject,estimatedtocostupto$1.2billion,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.Theprojectcostwasover$170million,hesaid.SomeofthetechnologiesusedforthatprojecthaveprovedreliableandeconomicallyaffordableandcanbeusedfortheGlobalViromeProject,Gaosaid.  

 

   GlobaleffortaimstofinddiseasevectorsthatcanjumpfromanimalstohumansChinawillhelpleadaprojecttoidentifyunknownvirusesfromwildlifetobetterpreparehumansformajorepidemics-ifnotglobalpandemics.Theprojectistobelaunchedthisyear,accordingtooneofthecountry'stophealthofficials.TheGlobalViromeProjectwillstartinChinaandThailandwithfieldworktocollectsamplesfromwildanimalsandanalyzethevirusesdetected,saidGaoFu,headoftheChineseCenterforDiseaseControlandPrevention."Scientistswillcollectvirussamplesfromanimalssuchasbatsandratsforstudyusingtechniqueslikenextgeneration(DNA)sequencingtofindwhethernewvirusesexist,"hesaid.Theproject,estimatedtocostupto$1.2billion,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.Theprojectcostwasover$170million,hesaid.SomeofthetechnologiesusedforthatprojecthaveprovedreliableandeconomicallyaffordableandcanbeusedfortheGlobalViromeProject,Gaosaid.  GlobaleffortaimstofinddiseasevectorsthatcanjumpfromanimalstohumansChinawillhelpleadaprojecttoidentifyunknownvirusesfromwildlifetobetterpreparehumansformajorepidemics-ifnotglobalpandemics.Theprojectistobelaunchedthisyear,accordingtooneofthecountry'stophealthofficials.TheGlobalViromeProjectwillstartinChinaandThailandwithfieldworktocollectsamplesfromwildanimalsandanalyzethevirusesdetected,saidGaoFu,headoftheChineseCenterforDiseaseControlandPrevention."Scientistswillcollectvirussamplesfromanimalssuchasbatsandratsforstudyusingtechniqueslikenextgeneration(DNA)sequencingtofindwhethernewvirusesexist,"hesaid.Theproject,estimatedtocostupto$1.2billion,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.Theprojectcostwasover$170million,hesaid.SomeofthetechnologiesusedforthatprojecthaveprovedreliableandeconomicallyaffordableandcanbeusedfortheGlobalViromeProject,Gaosaid.  

 

  (环彦博 20191117 环彦博)

信息来源: 湖南日报    责任编辑: 环彦博
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