unit7课件
日期：2010-06-25 06:27
Unit7LivingwithdiseaseWARMINGUPHowmuchdoyouknowaboutAIDS?AIDSstandsforAcquiredImmuneDeficiencySyndrome(获得性免疫功能丧失综合症)Acquiredmeansyoucangetinfectedwithit;(获得性)ImmuneDeficiencymeansaweaknessinthebody’ssystemthatfightsdiseases(免疫功能丧失)Syndromemeansagroupofhealthproblemsthatmakeupadisease(综合症)Whatis“AIDS”WhatisHIV?HumanImmunodeficiencyVirusHIVisthevirusthatcausesAIDSHIVisfirstreportedbyDrLucMontagnierin1983DopeoplewithHIVhaveAIDS? PeoplewithHIVDONOTmeantheyhaveAIDSHIVcanremaindormant(潜伏)inthebodyforseveralyearsbeforesomeunknownfactorstrigger(引发)theinfectionsassociatedwithAIDSDopeoplewithHIValwayslooksick? NO!Duringthemedianincubationperiod(潜伏期)，mostofthoseinfectedfeelfitandwellTheyevenmaynotknowthattheycarrythevirusIsthereavaccinationagainstHIVinfection? CurrentlythereisnovaccineavailableforHIV/AIDSHowmanypeopleintheworldareinfectedwithAIDS?378millionpeopleworldwidewerelivingwithHIVattheendof200348millioncaseswerenewlyreportedinthelast12monthsThatistosay，there，
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