《传染病学》新发传染病-英文教学课件（非AI生成）.ppt

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2024-12-04 发布于湖北
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《传染病学》新发传染病-英文教学课件（非AI生成）.ppt

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*******************************************ThemajorityofpeoplelivingwithHIV/AIDSareyoungandliveinruralareas.**BytheendofDecember2004,CumulativereportedHIVinfectionswere89,067,AIDScaseswere20,786,AIDSdeathswere5,024.TheChinaCDCandWHOestimatedthattherewere840,000peoplelivingwithHIV/AIDSinChinaamongwhich,80,000hadAIDS*ThetwolargestgroupsofHIVinfectionsareininjectingdrugusersandformerplasmadonors.Infectionsamongfemalesareincreasing.HIVisspreadingfromhighriskgroupstothegeneralpopulationthroughsexualtransmission.AndtherehasbeenasignificantincreaseinreportedAIDSdeathsinthepastfewyears**********Pandemicinfluenza:

majorchanges-antigenicshiftMajorchangesoccurinthesurfaceantigensofinfluenzaAvirusesbymutationorreassortmentChangesaremoresignificantthanthoseassociatedwithantigenicdriftChangesleadtotheemergenceofpotentiallypandemicstrainsbycreatingavirusthatismarkedlydifferentfromrecentlycirculatingstrainssothatalmostallpeoplehavenopre-existingimmunity*全球流感大流行警告级别*OTHERmethods

toreducetransmissionHandhygiene(cleaninghandswithsoapandwateroranalcohol-basedhandrub)Respiratoryhygiene,e.g.,“Coveryourcough”Cleaninganddisinfectionofcontaminatedobjects,surfacesPhysicalbarriers(e.g.,glassorplastic“windows”toprotectfrontdeskworkers)Useofpersonalprotectiveequipment(PPE)insomesettings(e.g.,healthcare)suchasgowns,gloves,eye,andrespiratoryprotection*人禽流行性感冒

(HumanAvianInfluenza)*AvianInfluenzaEpidemiologyHighlypathogenicH5N1influenzavirusesarenowendemicinbirdpopulationsinAsiaandspreadingwest.Sporadichuman-to-humantransmissionhasoccurredraisinglikelihoodofreassortingwithcoinfectinghumaninfluenzavirusproducingnovelstraincapableofhuman-to-humantransmission.Predomin