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Speaker:Chenjia
Maker:Xuebei
Zhaoyanling
WangXiqi预防流感_1Content1WhatIstheFlu?2Flu
Symptoms3HowFluWorks?4TypesofFlu5Prevention预防流感_1WhatIstheFlu?FirstdefinitionFluisalsocalledtheinfluenza.It'saninfectionthatcausesa
fever,chills,cough,bodyaches,
headaches,andsometimesearachesor
sinusproblems.预防流感_1WhatIstheFlu?SeconddefinitionThefluisarespiratoryillnesscausedbytheinfluenzavirus.Thefluisnotthesameasacold,althoughtheysharemanyofthesamesymptoms.Thecoldiscausedbyadifferentvirus,andittendstohavemildersymptomsthantheflu.Coldsarealsolesslikelytocauseseriouscomplications.预防流感_1Flu
Symptoms1、Cough2、Sorethroat(喉咙痛)3、Headaches4、Muscleorbodyaches5、Feverorfeelingfeverish/chills(发烧或感觉发热/寒战)6、Runnyorstuffynose(流鼻涕、鼻塞)7、Fatigue(tiredness)8、Somepeoplemayhavevomitinganddiarrhea预防流感_1Flu
SymptomsTheflualsoweakenstheimmunesystem,leavingitvulnerabletomoreseriousinfections.High-riskindividualsinparticulararesusceptibletoseriouscomplications.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)预防流感_1HowFluWorks1.Thevirusenterstherespiratorytract.(呼吸道)2.Afterenteringtherespiratorytract,thevirusstartstoreplicateitself.Therespiratorytractbecomesswollenandinflamed.3.Onceinsidetherespiratorysystem,thevirusentersthebloodstream.thefirstsymptoms(cough)begintoshow.预防流感_1FluandtheCommonColdThefluandthecommoncoldhavesimilarsymptoms.Itcanbedifficulttotellthedifferencebetweenthem.Ingeneral,thefluisworsethanthecommoncold,theflutendstobemoresevereandusuallycomesonsuddenly,attimesitcanleadtodeath.Learningwhetheritisacoldorfluisimportantbecausetheflucanhaveseriouscomplicationssuchaspneumonia(急性肺炎)orevendeath.Treatingfluwithin48hoursofsymptomsisbest.Prescriptionantiviraldrugsmaycutthetimeyou'resick.预防流感_1TypesofFluTherearethreetypesoffluviruses:A,B,andC.
InfluenzaAcaninfectarangeofmammalsandbirdsaswellashumans,whiletypesBandCinfectmainlyhumans.预防流感_1H1N1Influenza(SwineFlu)H1N1influenzaisatypeofinfluenzaA.Itisknownasswineflubecauseitprimarilyinfectspigs.Transmissiontohumansisuncommon,butitcanoccurifhumanscomeintocontactwithinfectedpigsorwithenvironmentscontaminatedbythevirus.Aninfectedhumancanthenspreadthediseasetootherhumans.预防流感_1Althoughitalsocirculatesinpigs,youcannotgetitbyeatingproperlyhandledandcookedporkorporkproducts.ThebestwaytopreventtheH1N1fluistogettheseasonalfluvaccine.Youshouldalsofollowouradvisetokeepyourselfhealthyduringfluseason.H1N1Influenza(SwineFlu)预防流感_1H5N1BirdFluTheavianinfluenzavirus,orbirdflu,occursnaturallyinwildbirds,butdoesnotmakethemsick.Becausethevirusisverycontagiousamongbirds,avianinfluenzaviruscanbedeadlyiftransmittedtodomesticatedbirds.HumaninfectionsarecausedbytransmissionoftheInfluenzaAvirusfrominfectedbirdstohumans.预防流感_1H5N1BirdFluAlthoughH5N1doesnotusuallyinfecthumans,nearly650casesofhumancasesofH5N1havebeenreportedfrom15countriessince2003.预防流感_1FeverandcoughAcuterespiratorydistressShortnessofbreath/difficultybreathingAbdominal
painDiarrheaSymptoms预防流感_1HowcanwepreventhighlypathogenicH5N1virusinfection?Thebestwaytopreventinfectionistoavoidanycontactwithsickordeadpoultry.ThisincludesavoidingvisitinglivepoultrymarketsthatmaybeinfectedwithH5N1whentraveling.AlsoavoidsickpeoplewhomighthaveH5N1virusinfectioninaffectedcountries.预防流感_1H7N9isanewtypeofbirdflu,avianfludiscoveredinShanghaiandanhuifirstattheendofmarchin2013.FightingAgainstH7N9BirdFluwehadsuccessfullydevelopedthevaccinefortheH7N9birdfluvirus,aftertheflustrainhadleftmorethan130peopleinfected,with45fatalitiesreported.预防流感_1Vaccinationisthebestwaytoprotectyourselffromtheflu.Thereareadditionalstepsyoucantaketokeepyourselfandyourfamilyhealthythisfluseason.Prevention预防流感_1VACCINATEDEveryone6monthsofageandoldershouldgetvaccinatedagainsttheflu.TAKEPRECAUTIONSTakeeverydayprecautions,likewashingyourhands,toprotectyourhealth.ANTIVIRALMEDICATIONSIfyouareexposedtoorcaringforsomeonewiththeflu,talktoyourdoctoraboutpreventiveantiviralmedications.Prevention预防流感_1Therearestepsyoucantakeinyourdailylifetohelpprotectyoufromgettingtheflu.1.Washyourhandsoftenwithsoapandwateroranalcohol-basedhandrub.2.Avoidtouchingyoureyes,nose,ormouth.Germsspreadthisway.3.Trytoavoidclosecontactwithsickpeople.Prevention预防流感_15.Practicegoodhealt
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