预防流感PPT.ppt

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1、Speaker:ChenjiaMaker:XuebeiZhaoyanlingWangXiqiContent1WhatIstheFlu?2FluSymptoms3HowFluWorks?4TypesofFlu5PreventionWhatIstheFlu?FirstdefinitionFluisalsocalledtheinfluenza.It'saninfectionthatcausesa fever,chills,cough,bodyaches, headaches,andsometimesearachesor sinusproblems.WhatIstheFlu?Sec

2、onddefinitionThefluisarespiratoryillnesscausedbytheinfluenzavirus.Thefluisnotthesameasacold,althoughtheysharemanyofthesamesymptoms.Thecoldiscausedbyadifferentvirus,andittendstohavemildersymptomsthantheflu.Coldsarealsolesslikelytocauseseriouscomplications.FluSymptoms1、Cough2、Sorethroat(喉咙痛)3、H

3、eadaches4、Muscleorbodyaches5、Feverorfeelingfeverish/chills（发烧或感觉发热/寒战）6、Runnyorstuffynose（流鼻涕、鼻塞）7、Fatigue(tiredness)8、SomepeoplemayhavevomitinganddiarrheaFluSymptomsTheflualsoweakenstheimmunesystem,leavingitvulnerabletomoreseriousinfections.High-riskindividualsinparticulararesusceptibletoser

4、iouscomplications.suchas:Bacterialpneumonia(细菌性肺炎)Dehydration(脱水)Sinusproblemsandearinfections(primarilyinchildren)窦问题和耳部感染（主要是儿童）Worseningofpreexistingconditions,suchasasthmaordiabetes（哮喘或糖尿病）HowFluWorks1.Thevirusenterstherespiratorytract.（呼吸道）2.Afterenteringtherespiratorytract,thevirusstart

5、storeplicateitself.Therespiratorytractbecomesswollenandinflamed.3.Onceinsidetherespiratorysystem,thevirusentersthebloodstream.thefirstsymptoms(cough)begintoshow.FluandtheCommonColdThefluandthecommoncoldhavesimilarsymptoms.Itcanbedifficulttotellthedifferencebetweenthem.Ingeneral,thefluisworset

6、hanthecommoncold,theflutendstobemoresevereandusuallycomesonsuddenly,attimesitcanleadtodeath.Learningwhetheritisacoldorfluisimportantbecausetheflucanhaveseriouscomplicationssuchaspneumonia（急性肺炎）orevendeath.Treatingfluwithin48hoursofsymptomsisbest.Prescriptionantiviraldrugsmaycutthetimeyou'resi

7、ck.TypesofFluTherearethreetypesoffluviruses:A,B,andC.InfluenzaAcaninfectarangeofmammalsandbirdsaswellashumans,whiletypesBandCinfectmainlyhumans.H1N1Influenza(SwineFlu)H1N1influenzaisatypeofinfluenzaA.Itisknownasswineflubecauseitprimarilyinfec