Infectiousdiseasesthatarecausedbypathogensthatareparasiticinthebloodandlymphofthehumanbodyandaretransmittedbyblood-suckinginsects.ItmainlyincludesJapaneseencephalitis,malaria,denguefeverandfilariasistransmittedbymosquitoes;plagueandendemictyphustransmittedbyfleas;epidemichemorrhagicfevertransmittedbylice,tsutsugamushiandkala-flytransmittedbysandfly.Amongthem,malaria,Japaneseencephalitis,filariasis,andhemorrhagicfeveraremorecommon.Pathogensincludeviruses,bacteria,rickettsiae,spirochetes,protozoa,wormsandsoon.Thesourceofinfectionishumans,animals,orboth.Themainmodeoftransmissionisthatblood-suckinginsectsdirectlyinjectpathogensintothehumanbodyduringtheblood-suckingprocess.Malariacanalsobetransmittedthroughbloodtransfusion.Asaresultoflong-termevolutionandadaptation,thereisarelativelyfixedrelationshipbetweenvariousblood-bornediseasesandblood-suckinginsects.Forexample,Japaneseencephalitisandmalariacanonlybetransmittedbymosquitoes.Becausethegeographicaldistributionandlivinghabitsofinsectsaredifferent,theoccurrenceofmostblood-bornediseaseshasacertainregionalandseasonalcharacteristics.Pathogensofblood-bornediseasescanwidelyinvadevariousorgansandsystemsofthehumanbody.Forexample,Japaneseencephalitisvirusinvadesthecentralnervoussystem,andplaguecandamagemanyorgansthroughoutthebody.Theeliminationofvectorinsectsistheleadingmeasureanddirectionofeffortstopreventblood-bornediseases.Secondly,thesourceofinfectionmustbeeffectivelycontrolledandisolated,andsusceptiblepopulationsmustbevaccinated(suchasJapaneseencephalitisvaccine)ordrugpreventionintime,andnecessaryprotectivemeasuresshouldbetakenduringfieldoperationstopreventinsectbites.Inaddition,AIDSisalsoablood-bornedisease.
Метод на предаване:
Theprocessoftransmittingthediseasetoanotherindividualismainlythroughbloodandwoundinfections,whichisbloodtransmission.Itiscommoninthenegligenceofmedicalinjectionequipmentandbloodtransfusiontechnology.Therefore,manymedicalinstitutionsrequirethattheimplementationofrelatedmedicalproceduresmustbeconfirmedbymultipleandmultiplepeopletoavoidharmtothepatient.Duringblooddonationandbloodtransfusion,thedonorandrecipientarealsofurthertargeted.Checktherelevantphysiologicalconditionstoreducetheriskofsuchinfections,butduetodruguse,thesharingofneedlescancauseinfectionsthataredifficulttoprevent,especiallyforAIDSprevention.