Term
How are zoonotic diseases normally transmitted to humans? |
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Definition
Directly (e.g. contact, bites) From animal products (e.g. meat) Vector (e.g. ticks) |
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Term
What is the rarest type of zoonotic disease transmission? |
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Definition
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Term
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Definition
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Term
Transmission depends upon the attributes and requirements of what? |
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Definition
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Term
Examples of environmental impact causing emerging diseases |
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Definition
Deforestation and urbanization Climate change Increasing mosquito habitats (retention ponds) |
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Term
What does Aedes aegypti transmit? |
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Definition
Yellow Fever and Dengue Fever |
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Term
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Definition
Domesticated and/or wild animals that harbor a pathogen |
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Term
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Definition
Host in which the parasite reaches sexual maturity |
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Term
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Definition
Non-human organism that can react to an environmental contaminant before the contaminant impacts people |
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Term
Which species is the sentinel for West Nile Virus? |
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Definition
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Term
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Definition
Number of seropositive individuals in the population |
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Term
What does a CDC Category A indicate? |
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Definition
The most severe level of pathogen |
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Term
What is the Case Fatality Rate? |
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Definition
Proportion of infected animals that die from a diseasr |
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Term
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Definition
Increased proportion of resistant individuals decreases the susceptible population |
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Term
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Definition
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Term
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Definition
BSE Chronic wasting disease (deer) Scrapie (sheep/goats) Creutzfeldt-Jakob Disease |
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Term
How is rabies transmitted? |
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Definition
Saliva from an infected animal Aerosolized bat excrement |
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Term
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Definition
Behavior changes, paralysis, death |
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Term
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Definition
Dysphagia, paralysis, nearly 10% death rate in 2-10 days |
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Term
What kind of pathogen is rabies? |
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Definition
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Term
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Definition
Contagious ecthyma Sore mouth |
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Term
What kind of pathogen is Orf? |
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Definition
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Term
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Definition
Contact with lesions on animal or in the environment |
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Term
How long do shed Orf lesions remain infectious? |
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Definition
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Term
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Definition
Chicken-pox type lesion on fingers, hands, face, and arms that can last 6 weeks |
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Term
What kind of pathogen is LCM? |
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Definition
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Term
What is the reservoir host of LCM? |
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Definition
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Term
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Definition
Flu-like, can develop meningitis |
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Term
What kind of pathogen is West Nile Virus? |
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Definition
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Term
Reservoir host of West Nile Virus |
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Definition
American robin and house sparrow |
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Term
Vector of West Nile Virus |
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Definition
Mosquito (Culex pipiens in IL) |
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Term
CS of West Nile Virus in humans |
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Definition
Flu-like symptoms which resolve, persistent fatigue. Can be neuroinvasive, causing encephalitis, meningitis, paralysis, and death |
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Term
Where was West Nile Virus first reported? |
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Definition
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Term
What type of pathogen is Avian flu? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
Requirements of an epidemic |
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Definition
1. New emergence in a species with little to no immunity 2. Virus must produce disease in this species 3. Sustainable transmission must occur in new species. |
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Term
Species most affected by H5N1 |
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Definition
Poultry (100% mortality in 48 hours) |
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Term
What is the "mixing vessel" of influenza? |
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Definition
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Term
Which age group had the highest mortality of H5N1? |
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Definition
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Term
What type of pathogen is Hantavirus? |
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Definition
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Term
What is the reservoir host of Hantavirus? |
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Definition
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Term
CS of Hantavirus in humans |
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Definition
Flulike symptoms with rapid progression to respiratory failure |
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Term
How is Hantavirus transmitted? |
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Definition
Aerosol of dried feces, urine, or saliva |
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Term
What kind of pathogen is Lassa? |
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Definition
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Term
What is the reservoir host of Lassa? |
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Definition
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Term
How is Lassa transmitted? |
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Definition
Aerosolized virus Direct contact |
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Term
What is the most frequently imported arenavirus in the US? |
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Definition
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Term
Which zoonoses are bioterrorist threats? |
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Definition
Lassa Marburg Ebola Anthrax Q Fever Brucellosis Pneumonic plague Tularemia |
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Term
What type of pathogen is Marburg? |
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Definition
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Term
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Definition
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Term
Transmission routes of Marburg |
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Definition
Direct contact, possibly insects |
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Term
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Definition
Flu-like, V/D, followed by DIC, thrombocytopenia, and hemorrhage |
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Term
What type of pathogen is Ebola? |
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Definition
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Term
Transmission routes of Ebola |
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Definition
Direct contact, possibly insects |
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Term
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Definition
Flu-like, V/D, followed by DIC, thrombocytopenia, and hemorrhage |
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Term
Which subtype of Ebola is most dangerous? |
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Definition
4th subtype (human-human transmission) |
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Term
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Definition
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Term
Which form of TB has a human reservoir host? |
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Definition
Mycobacterium tuberculosis |
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Term
What diseases does Mycobacterium avium-intracellulare cause? |
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Definition
Johne's Disease Crohns Disease |
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Term
Transmission methods of Mycobacterium bovis? |
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Definition
Ingestion of unpasteurized milk Aerosol Reverse zoonosis |
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Term
What is reverse zoonosis? |
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Definition
Infected human transmits disease to animal |
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Term
Reservoir host of Mycobacterium avium-intracellulare |
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Definition
Pretty much everything, including environmental |
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Term
Transmission methods of leptospirosis |
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Definition
Contact with infected urine, or through environment |
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Term
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Definition
Icterus, bloody diarrhea, renal failure |
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Term
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Definition
Non-specific clinical signs OR multi-organ failure and meningitis. |
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Term
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Definition
Deer tick (Ixodes scapularis) |
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Term
CS of secondary Lyme disease |
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Definition
Facial nerve palsy, dizziness, syncope, chest pain, palpitations, dyspnea, uveitis, meningitis |
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Term
How long does a tick need to be attached before transmitting Lyme disease? |
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Definition
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Term
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Definition
Fever, myalgia, arthralgia, malaise, headache, stiff neck, lymphadenopathy |
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Term
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Definition
Asymmetric arthritis of large joints May not respond to Abx Encephalitis Encephalopathy Polyneuropathy |
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Term
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Definition
Cough, wheezing Abdominal pain Strabismus Blindness |
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Term
Animal CS of toxocariasis |
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Definition
Pot-bellied puppies Spaghetti-like worms passed or vomited |
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Term
Infectious agent of Chagas disease |
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Definition
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Term
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Definition
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Term
Acute CS of Chagas Disease |
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Definition
Flu-like with swelling at bite |
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Term
Chronic CS of Chagas Disease |
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Definition
Organ failure (usually the heart) |
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Term
How long can Chagas disease remain asymptomatic? |
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Definition
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Term
What type of pathogen causes Listeriosis? |
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Definition
Listeria monocytogenes, a gram positive rod |
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Term
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Definition
Ingestion of contaminated food and dairy products |
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Term
CS of Listeria in animals |
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Definition
Encephalitis ("circling disease") Mastitis |
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Term
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Definition
Mild flu-like GI/Fever Abortions Meningitis |
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Term
Which zoonotic disease is called "Wool sorter's disease"? |
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Definition
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Term
What type of pathogen causes anthrax? |
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Definition
Bacillus anthracis (gram positive rod) |
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Term
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Definition
Skin pustules form blacked scabs Can lead to septicemia and death |
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Term
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Definition
Sudden death, bleeding from orifices |
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Term
Which species can have the chronic form of ingestion anthrax? |
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Definition
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Term
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Definition
Flu-like Dyspnea, bloody V/D Sepsis, death in 24-36 hours |
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Term
Most fatal form of anthrax infection |
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Definition
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Term
Most common form of anthrax infection |
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Definition
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Term
When is ingestion anthrax most likely to be acquired? |
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Definition
After rain (spores released) |
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Term
How long do clinical signs of anthrax take to appear? |
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Definition
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Term
Which type of pathogen causes Q Fever? |
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Definition
Coxiella burnetti, a gram negative proteobacteria |
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Term
Reservoir host of Q fever |
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Definition
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Term
Transmission methods of Q fever |
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Definition
Aerosolized from parturient tissue, urine, feces, or milk Direct contact or ingestion of tissues |
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Term
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Definition
Can be subclinical or cause reproductive failure |
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Term
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Definition
Subclinical or flu-like, pneumonia symptoms |
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Term
Is there a vaccine for Q fever? |
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Definition
Yes, but not approved in US |
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Term
Other names for Brucellosis |
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Definition
Undulant fever Malta fever Bang's Disease |
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Term
Which type of pathogen causes brucellosis? |
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Definition
Brucella, a gram negative coccobaccilus |
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Term
Transmission methods of brucellosis |
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Definition
Direct contact Ingestion Inhalation |
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Term
CS of Brucellosis in animals |
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Definition
Abortion Orchitis Lymphadenitis |
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Term
CS of Brucellosis in humans |
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Definition
Undulating fever Muscle and joint pain Lymphadenitis |
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Term
How long does Q fever live in the environment? |
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Definition
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Term
How long does Brucella live in the environment? |
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Definition
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Term
Prevention of brucellosis |
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Definition
Vaccinate, good hygiene, pasteurization |
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Term
Why can brucellosis be misdiagnosed as, leading to underreporting of incidence? |
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Definition
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Term
Cause of Rocky Mountain Spotted Fever |
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Definition
Rickettsia rickettsi (a gram negative coccobacilli) |
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Term
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Definition
Mild form: Flu-like Severe form: Neuro signs, bleeding, heart damage |
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Term
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Definition
Flu like Spotted rash Neuro signs Pulmonary and circulatory damage |
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Term
How long must a tick remain attached to transmit RMSF? |
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Definition
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Term
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Definition
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Term
Pathogenic agent of plague |
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Definition
Yersinia pestis (gram negative coccobaccili) |
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Term
Where is Yersinia pestis considered endemic? |
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Definition
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Term
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Definition
Swelling around a bite from a kissing bug |
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Term
Which species is especially susceptible to plague? |
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Definition
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Term
Which is the most common form of plague? |
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Definition
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Term
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Definition
Swollen, painful lymph nodes |
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Term
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Definition
Buboes, flu-like, toxemia, petechiae, bloody cough |
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Term
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Definition
Epistaxis Hematuria DIC Tissue necrosis |
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Term
Which form of plague is most fatal? |
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Definition
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Term
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Definition
Flu-like with rapid progression to septicemia |
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Term
Which form of plague is a bioterrorism threat? |
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Definition
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Term
Which form of plague can be transmitted human to human? |
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Definition
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Term
How quickly must Tx for pneumonic plague be started to be effective? |
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Definition
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Term
What type of pathogen causes Cat Scratch disease? |
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Definition
Bartonella henselae (gram negative rod) |
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Term
Transmission methods of Bartonella |
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Definition
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Term
CS of Bartonella in humans |
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Definition
Lymphadenitis Abscess at lesion Fever Malaise Splenomegaly |
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Term
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Definition
Supportive care (not very responsive to Abx) |
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Term
Which modes of transmission of Tularemia are considered bioterrorism threats? |
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Definition
Ingestion (food and water), aerosol |
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Term
What type of pathogen causes Tularemia? |
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Definition
Francisella tularensis (a gram negative rod) |
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Term
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Definition
Cottontail rabbit and ticks |
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Term
Transmission methods of tularemia |
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Definition
Aerosol Insect bite Direct contact Ingestion |
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Term
How long can tularemia survive in the environment or a dead animal? |
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Definition
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Term
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Definition
Ulceroglandular Glandular Oculoglandular Oropharyngeal Typhoidal Pulmonary |
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Term
CS of ulceroglandular tularemia |
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Definition
Ulcers at infection sight Swollen lymph nodes |
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Term
CS of glandular tularemia |
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Definition
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Term
CS of oculoglandular tularemia |
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Definition
Swollen lymph nodes Conjunctivitis |
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Term
CS of oropharyngeal tularemia |
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Definition
Pharyngitis with pseudomembrane Diarrhea with GI bleeding |
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Term
CS of typhoidal tularemia |
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Definition
Septicemia resulting from other forms or inhalation |
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Term
CS of pulmonary tularemia |
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Definition
Pneumonia Complications from other forms |
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