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1、NEWSINFOCUSINFECTIOUSDISEASEandhiscolleaguestrappedandreleasedabout12,300bats,3,400rodentsandshrews,and3,500monkeys.TheirworktookthemtoBatsexposedasmain20countriesinAfrica,Asia,SouthAmericaandCentralAmericathathadpreviouslybeenidentifiedas‘hotspots’foroutbreaksofco
2、ronaviruscarrieranimalbornedisease.Nearly10%ofthebatscarriedcoronaviruses,comparedwith0.2%oftheotheranimalssampled.AndtheteamfoundthatStudysuggestswherevirusescouldjumptohumans.thediversityofviruseswashighestinplaceswheremultiplebatspecieslived,suchastheBYAMYMAXMEN
3、“It’stimetostopbeingreactive,”saysSimonAmazonrainforest.Anthony,avirologistatColumbiaUniverYetbatdiversityaloneisnotanindicatorofatsarethemajoranimalreservoirforsityinNewYorkCityandleadauthoroftherisk,becauseonlyafractionofcoronavirusesBcoronavirusesworldwide,accor
4、dingtostudy(S.?J.Anthonyetal.VirusEvol.3,vex012;infectpeople.Onehintthatapathogenmayasurveyofthousandsofanimalsacross2017).“ThepointistotakeadifferentapproachspilloverintopeopleisahistoryofjumpingAfrica,AsiaandtheAmericas.Theanimalsandbemoreproactivebyunderstanding
5、thebetweendistantlyrelatedspecies.Anthonyhadpreviouslybeenlinkedtothecoronadiversityofvirusesouttherebeforetheyactuandhiscolleaguesobservedthatcoronavirusesthatcausedoutbreaksofsevereacuteallyemerge.”TheresearchwasfundedbythevirusesinAfricahadspreadamongunrelatedre
6、spiratorysyndrome(SARS)andMiddleUSAgencyforInternationalDevelopmentbatspeciesfourtimesmoreoftenthanvirusesEastrespiratoryvirus(MERS),butuntilnowthroughaprogrammethataimstopreemptinMexico,Brazil,BoliviaandPeruhad.Thisresearcherswerenotsurewhetherthatwasapandemicsofv
7、irusesthatpassfromanimalscouldbeduetogeneticdifferencesinthecoincidenceorasignofabroadertrend.tohumans.coronavirusesineachregion,ortohowdisThelatestfindingssuggestthatresearchersCoronavirusesmadeheadlinesin2002,paratebatspeciesinteractindifferentforests.whostudyinf
8、ectiousdiseasescanimprovewhenSARSappearedinChinaandspread“It’sveryinterestingthatthevirusesintheirpredictionsofwherecoronavirusesareto27countries