ENTO 208 1st Edition Lecture 21 Outline of Lecture 20Tick-borne diseasesI. Equine PiroplasmosisII. Relapsing FeverIII. African Swine FeverIV. Ehrilichiosis (rickettsia)V. Anaplasmosis (granulocytic anaplasmosis)VI. Tick & Tick borne disease controlOutline of Lecture 21Kissing BugsI. CharacteristicsII. Where?III. Chagas diseaseCurrent LectureKissing Bugs Order: Hemiptera, Suborder: Heteroptera, Family: Reduviidae, 13 genera in the western hemisphereAll stages are obligate hematophagous5 nymph/immature stages, winged adultsNocturnalAttracted by CO2, heat, light (Houses have all of these)They are dark brown/black, with stripes, thin legs, a cone-nose, and thin rostrum (mouth part)Where?Some in US: can be found across the country, found in the southern halfLocal: sylvatic (opossums, rats, bats, anything really), peridomestic (dogs, chickens, rabbits), domestic (in houses, some have lost the ability to live outside) Chagas disease8-10 million people infected worldwideIn Texas: found in dogsLife cycle of agent: deposited on skin by bug's feces, rubbed into bite wound by host, enters body and travels to heartTransmission: vector-borne, oral route, congenital, blood transfusion, organ transplantClinical Manifestations: non-specific (acute phase), cardiac &/or digestive (chronic phase), strain type variationsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Outlook: no cureTreatment: two drugs (benznidizole, nitfurtimox), bad side effects, comes down to symptom management Sterocorial transmission: some people think that the cases are fewer in the US because the bugs here wait to poop till they are off the host, not provenDiagnosing Chagas disease: antibody detection, microscopic detection of parasite, culture, detection of parasite
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