MMG 301 Study Guide L35.36

MMG 301 Study Guide L35.36 - MMG 301 Final Exam Study Guide...

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MMG 301 Final Exam Study Guide Lectures 35/36: Opportunistic Pathogen: an infection, usually observed only in an individual with a dysfunctional immune system. Accidental Hosts: one that harbors a pathogen/organism, but usually does not become infected by it. Campylobacteriosis: an infection caused by the bacteria campylobacter; it is among the most common bacterial infections of humans; symptoms are diarrhea, fever, cramps and pain. - Rabies: caused by rhabdovirus; transmitted by bites from infected animals; has a long latency/incubation period; humans are treated by post exposure vaccine: this usually involves “live attenuated vaccine” (live but weakened viruses) plus anti- rabies immunoglobin, this is nearly 100% effective. - Hantavirus: related to hemorrhagic fever viruses; transmitted by deer mouse host, inhalation of dried airborne fecal material from infected animal; symptoms include fever, muscle aches, decreased blood platelets and the lungs fill with fluid. - Rickettsial diseases: transmitted by ticks, lice or fleas; humans are accidental hosts for these diseases. o Rocky Mountain spotted fever: caused by Rickettsia rickettsii ; after a 3- 12 day incubation, symptoms form: fever, headache, severe rash, diarrhea and vomiting. o Ehrlichiosis : mainly flu-like symptoms but can become life-threatening in some cases; invades monocytes or granulocytes. o Typhus : caused by Rickettsia prowazekii ; human-to-human transmission by common body or head lice; caused many deaths in WWI. o Q-fever: caused by Coxellia burnetii ; ticks spread the disease to animals; contact with animal urine, feces, milk or other fluids can lead to animal-to- human transmission. -
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MMG 301 Study Guide L35.36 - MMG 301 Final Exam Study Guide...

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