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1、传染病学提纲（Outlineofinfectiousdiseases）InfectiousdiseasesUnit1generalintroductionI.infectionprocessThreefactorsofinfectionprocess:pathogen,humanbodyandexternalenvironmentPostinfectionpresentation:ThepathogenisremovedRecessiveinfection:noclinicalmanifestationoccursafterinfection,butspecificimm
2、unityisproduced.--themostcommonOvertinfection-theeasiesttoidentifyPathogencarryingstatus-animportantsourceofinfectionLatentinfection:thehumanbodyisinastalematewiththepathogenanddoesnotshowclinicalsymptomsanddoesnotexpelpathogens.Two,theroleofpathogensThetwofactorsofdiseasearepathogenicabi
3、lityofpathogensandimmunefunctionoforganismThree,theimmuneresponseduringinfection1、nonspecificimmunity:naturalbarrier,phagocytosis,humoralfactor2,specificimmunity:cellularimmunity,humoralimmunity,allergicreactionFour,thethreelinksoftheepidemicprocess:infectionsource,transmissionrouteandcro
4、wdsusceptibilityFive.Characteristicsofinfectiousdiseases1.Basicfeatures:pathogens;infectivity;epidemiologicalfeatures;postinfectionimmunity2、clinicalfeaturesstaging:Incubationperiod;prodromalstage;symptomaticperiod;recoverystage;relapseandre-combustion;sequelaeTheincubationperiodisanimpor
5、tantbasisfordeterminingthequarantineperiodandareferencefordiagnosis.3,eruptiveinfectiousdiseaseaccordingtotherashorder:Chickenpox,scarletfever,smallpox,measles,typhus,typhoidfeverSix.PreventionofinfectiousdiseasesInfectiousdiseasescategories:ClassA,2,B25,10kindsofCSecondunitviralhepatitis
6、I.etiology1,hepatitisA(HAV):belongtosmallRNAvirusweighinglivervirus2,hepatitisB(HBV):belongtoliverDNAvirus3,hepatitisCvirus(HCV):singlestrandedRNAvirus4,DingGan(HDV):defectivesinglestrandedRNAvirus5,e(HEV):thecaseofcalicivirusTwo,popularity1,a,eeRouteoftransmission:fecal-oralSourceofinfec
7、tion:mainlyacuteandsubclinicalinfection.2weeksbeforetheonsetof2-3weeksaftertheonsetofthediseaseisinfectious.Theinfectivitywasstrongest1weeksbeforeandaftertheonsetofdisease.2,B,Candd:Routesoftransmission:bloodtransfusion;motherandchild;closecontact;sexualcontactSourc
