Term
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Definition
- Flea
- small, wingless, bilaterally compressed
- piercing sucking mouthparts
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Term
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Definition
- The plague
- Gram negative
- Aerobic, facultatively anaerobics, falculatively intracellular
- Can survive one week in soft tissue
- Transmitted by flea bite
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Term
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Definition
- Most important flea vector in the United States
- Rock squirrels
- California ground squirrel
- Prairie dogs
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Term
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Definition
- <27°C (80 F)
- Blood clots in gut of flea
- Clotted blood regurgitated
- Enters would from flea bite
- >27°C
- Blood clot in gut of flea dissolves
- Y. pestis passes through
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Term
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Definition
- Rock squirrels
- Ground squirrels
- Prairie dogs
- Voles
- Other
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Term
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Definition
- Most common form
- Incubation: 2-6 days
- Clinical signs: fever, malaise, chills, headache, bubos
- Mortality (untreated): 50-60%
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Term
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Definition
- Primary and secondary
- Rapid onset
- Necrosis of extremities
- Mortality (untreated): 100%
- DEADLIEST
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Term
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Definition
- Incubation: 1 to 6 days
- Primary: Y. pestis inhaled
- Clinical Symptoms: fever, chills, headache, septicemia, respiratory distress
- Person to person transmission
- Possible use as aerosol bioweapon
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