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6 Cards in this Set
- Front
- Back
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Epidemiology
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-Infects cows and other grazing animals
-Zoonotic: can infect humans who have close contact with infected animals |
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Etiology
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Caused by Bacillus anthracis, an endospore-forming soil bacterium
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Transmission: 3 Types
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1. Skin (cutaneous)
2. lungs (inhalation) 3. digestive (gastrointestinal) |
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Pathogenesis
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1. Endospores reach tissues, germinate, secret necrotizing toxin
2. On Skin: form eschars – pustular lesions which fill with black fluid 3. Reaches blood = septisemia, usually fatal |
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Pathogenesis (Effects w/ signs and symptoms)
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Signs and symptoms may appear in few days or several weeks; if not treated within 48 hours nearly 100% mortality
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Treatment
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A. Rx: Cipro, penicillin, doxycycline for 4-8 weeks
B. Vaccine (reserved for military) |
