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时间:2020-03-16
《冠状病毒Coronavirusl论文-2007 S392 Wildlife hosts of SARS-coronavirus and related viruses.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、S8017thECCMID/25thICC,Oralpresentationsmortalityfromrecentlyemergeddiseasesvaries,rangingfromlessAresultofthedomesticanimalrevolutionisthattherehasneverbeforethan200peoplethusfarforH5N1avianinfluenzatoabout20millionforinhistorybeensomuchpoultryastoday.Thi
2、sfact,incombinationwithAIDS.Livestockproductionhasbeennegativelyaffectedbythedirectagrowingnumberofhumans,createsanarenawheredomesticanimals,mortalityofanimalsfromemerginginfectionsanddepopulationpolicieshumansandfinallyzoonoticpathogenscaninteract.Influen
3、zaAvirustoprotectthesafetyofinternationaltradeandtocontrolthespreadofistheultimateactorinthisplaywheresomesubtypesmaychangeintopathogens.Theenvironmentalimpactofemerginginfectionsisofspecialhighlypathogenicforms.Thesemaybetransmitteddirectlytoman.concern
4、forendangeredwildanimalpopulations,whichcanbepushedAnotherworryingscenarioisthatanavianinfluenzaviruswillreassorttothebrinkofextinctionbysuchevents.Animals,andparticularlywildwithacirculatinghumaninfluenza.Agenetictraitmightthenreadilyanimals,arethoughttob
5、ethesourceofmorethan70%ofallemerginggofromthehumantothebirdvirussothatavianinfluenzaacquiresinfections(PhilosTransRSocLondonB356:983).Understandinghowthecapacitytopassfrompersontoperson.Withthisriskinmind,itsomeinfectiousagentshavebreachedthebarriersthatn
6、ormallylimitwouldadvisabletoconsideranymethodtoreducetheprobabilityofthisthisinterspeciestransmissionisimportant.However,thesebarriersarehappening.Contingencyplanningshouldtakeintoaccounttheknownpoorlycharacterised.Thehostspeciesbarrierforinfectioncanbed
7、efinedevolutionarypotentialofanimalvirusesandotherpathogenstoadapttoasaninteractionoffactorsthatcollectivelylimitsthetransmissionoftheenvironmentofhumansanddomesticanimals.aninfectionfromonehostspecies(thedonorspecies)toanother(therecipientspecies)(Scienc
8、e312:394).SuchlimitingfactorsmayoccuratS392WildlifehostsofSARS-coronavirusandrelatedvirusesdifferentlevels,ofwhichthefunctionalcomponentsareorganism,tissue,andcell.Attheorganismlevel,barrierslimitingcontactbetweentwoL-F.Wa
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