Mo W 15
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Transcript of Mo W 15
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Trypanosomabrucei• TrypanosomabruceiisaparasiteinKingdom
Pro0sta• Canbedividedintotwosubspecies:T.bruceiqambienseandT.bruceirhodesiense
• Organismsareslenderwithawavymembrane,
protrudingflagellum,andvisiblenucleus
• Causesdisease“AfricanSleepingSickness”• TransmiEedtohumansthroughtheTsetseFly(onlyfoundin
Africa)andinfectstheblood~70,000casesperyear,largerepidemicsoccur
• Symptomsincludefever,enlargedspleen,swollenlymphnodes,jointpains,andmoreseriousproblemssuchassleepdisorders,coma,anddeath
• TreatmentincludesSuraminandMelarsoprol
Photo Credit: http://www.pnas.org/content/100/3/F1.medium.gif
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RubellaVirus• IncludedinthevirusfamilyTogaviridae
• Single‐strandedRNAwithapolyhedralcapsid,surroundedbyalipoproteinenvelope
• SymptomsofRubellaViruslast2‐3days
• Symptomsincludeslightfever(102degreesF),inflamed,redeyes,rashthatspreadsoverthebody,headachesThereisnotreatmentforRubellaVirus
• RubellaVirusmustrunitscoursethroughoutthebody• Mostchildrenaregiventhevaccine(MMR‐measles‐mumps‐
rubella)intwodoseswithintheirchildhoodyears
– Fewerthan300casesperyear,periodicoutbreaks
Photo Credit: http://www.mayoclinic.com/health/medical/IM01794
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Sarcoptesscabiei• Kingdom:AnimaliaParasi0c
Arthropod• Thismicroscopiceightleggedmite
causestheskindiseaseSarcop0cmange(scabies).
• Symptoms:severeitchingespeciallyatnight,redblisters,andredirregularburrowtracks.
• Es0mated1millioncasesinUSannually(oldsta0s0cs)
• Highlycontagious,canbecaughtfromphysicalcontactwithsomeoneinfected,adomes0cated/wildanimalinfected,andfields.Treatment:Lo0onsandoralmedica0ons
depts.washington.edu
nationaalhuidcentrum.nl