AIDS-艾滋病英语--PPT课件.ppt

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1、AIDSSuperKiller1医学资料Avirushasbeensweepingtheworldforthepasttwodecades,causingadiseasewhichhaskilledmillionsofpeopleandwhichlookslikelytokillmillionsmore.2医学资料ThevirusiscalledHIV,whichdamagestheimmunesystemandcausesavarietyofsymptomsknownasAIDS.3医学资料WhatisAIDS?4医学资料AID

2、Sstandsfor:AcquiredImmuneDeficiencySyndrome5医学资料Acquiredmeansyoucangetinfectedwithit.ImmuneDeficiencymeansaweaknessinthebody'ssystemthatfightsdiseases.Syndromemeansagroupofhealthproblemsthatmakeupadisease.6医学资料HowAIDSspread?7医学资料a)Sexualtransmissionb)Bloodtransmission

3、c)Themother-infanttransmission8医学资料a)SexualtransmissionThemajorityofHIVinfectionsareacquiredthroughunprotectedsexualrelationsbetweenpartners,oneofwhomhasHIV.TheprimarymodeofHIVinfectionworldwideisthroughsexualcontactbetweenmembersoftheoppositesex.9医学资料b)Bloodtransmiss

4、ionThistransmissionrouteisparticularlyrelevanttointravenous(静脉)drugusers,hemophiliacs(血友病患者)andrecipients(接受者)ofbloodtransfusionsandbloodproducts.Sharingandreusingsyringes(注射器)contaminated(污染)withHIV-infectedbloodrepresentsamajorriskforinfectionwithHIV.10医学资料c)Themoth

5、er-infanttransmissionThetransmissionofthevirusfromthemothertothechildcanoccurinuterus（子宫）duringthelastweeksofpregnancyandatchildbirth.11医学资料WhathappensifI’mHIVpositive?12医学资料YoumightnotknowifyougetinfectedbyHIV.Somepeoplegetfever,headache,soremusclesandjoints(肌肉和关节酸痛)

6、,stomachache,swollenlymphglands(淋巴腺肿大),oraskinrash(皮疹)foroneortwoweeks.Mostpeoplethinkit'stheflu.Somepeoplehavenosymptoms.13医学资料Theviruswillmultiplyinyourbodyforafewweeksorevenmonthsbeforeyourimmunesystemresponds.Duringthistime,youwon'ttestpositiveforHIV,butyoucaninfe

7、ctotherpeople.14医学资料Whenyourimmunesystemresponds,itstartstomakeantibodies.Whenthishappens,youwilltestpositiveforHIV.15医学资料IsthereacureforAIDS?16医学资料Now,thereisnocureforAIDS.TherearedrugsthatcanslowdowntheHIVvirus,andslowdownthedamagetoyourimmunesystem.Thereisnowayto"c

8、lear"theHIVoutofyourbody.17医学资料HowtopreventAIDS?18医学资料a)Becarefulaboutyoursexualcontact.b)HIV-infectedmothersshouldavoidbrea