New diagnostic

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1、NewdiagnostictoolsarebeingtestedthatwouldquicklyindicatewhetherapersonhasAfricansleepingsickness.Currentmethodsofdiagnosisareslowandcumbersomeanddelaylife-savingtreatment.Healthofficialssaytherearenoclinicalsignsofsleepingsickness,alsoknownasAfricantrypanosomiasis

2、.It'softenuptohealthworkerstocarefullyscreenthosesuspectedofbeinginfected.Iftheythinkapersonhastheillness,they'llexaminethepatient'sbloodunderamicroscope,lookingforparasites.Dr.JosephNdung'usaiditsimplytakestoomuchtime."Sleepingsicknesshasbeenendemiconthecontinent

3、ofAfricaforalongtimein36countries.Thehighestepidemicsthatwereoccurringrecentlywere2008to2010.Atthattimeitwasestimatedthatatleast500,000peopleinthesecountrieswerecarryingthediseaseatanyonetime,"hesaid.Ndung'uisheadoftheHumanAfricanTrypanosomiasisandNeglectedDisease

4、sProgramatFIND,theFoundationforInnovativeNewDiagnostics.He'stheformerChiefResearchOfficerattheKenyaAgriculturalResearchInstitute.Hesaid,"Theseriousnessofthisdiseaseisthatanypersonwhogetsinfectedanddoesnotreceivetreatmenteventuallydies."Theinfectioncanreachallthewa

5、ytothebrain.Allthis,fromthebiteofthetsetsefly.NewToolsThenewdiagnostictoolswerediscussedattheInternationalScientificCouncilforTrypanosomiasisResearchandControlinBamako,Mali.Onetestwouldbesimilartoapregnancytestandcouldeasilybeusedinthefield.Thatmaybereadyin2012.Th

6、eotheriscalledLamp,amachinethatcandetecttheparasite'sDNAwithin24hours.It'smanufacturedbytheJapanesecompanyEiken,whichspecializesinmedicaldiagnostics.Dr.Ndung'usaidnotonlycanthebloodbetestedquicklyandaccurately,butyoucanseetheresultswiththenakedeye.HesaysiftheDNAbe

7、ingtestedhasfluorescence–thatis,emitslight–thenit'sasuresignthepersonhasAfricansleepingsickness.ThefluorescenceresultswhenparasiteDNAmixeswithchemicalsusedintheLampdevice.Nowwhatitmeansisthatwecantakeamoleculardiagnosis,whichisnormallyconfinedtosophisticatedlabora

8、toriestolaboratoriesatthedistrictlevelintheruralareas,wherethediseaseoccurs.Andthereforecanperformthesetestscloserandbeabletodetectindividualswhoarecarr