Bacillus anthracis: Difference between revisions
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Bacillus anthracis
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*Caused by inoculation of spores into soft tissue |
*Caused by inoculation of spores into soft tissue |
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*Incubation period of 2 to 5 days |
*Incubation period of [[Usual incubation period::2 to 5 days]] |
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*Lesion develops at site of inoculation, starting as erythemaous papule, then ulceration, then eschar |
*Lesion develops at site of inoculation, starting as erythemaous papule, then ulceration, then eschar |
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*May progress to sepsis |
*May progress to sepsis |
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*Infects oropharynx or abdomen |
*Infects oropharynx or abdomen |
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*Causes sepsis{{DISPLAYTITLE:''Bacillus anthracis''}} |
*Causes sepsis{{DISPLAYTITLE:''Bacillus anthracis''}} |
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[[Category:Gram-positive bacilli]] |
[[Category:Gram-positive bacilli]] |
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Revision as of 13:43, 5 August 2020
- Causes anthrax
Background
Microbiology
- Gram-positive bacillus that is distinguished from other Bacillus species by being non-motile and non-hemolytic
- Colonies are gray, flat, and may have a "Medusa head" or "comet" appearance
Clinical Manifestations
Cutaneous anthrax
- Caused by inoculation of spores into soft tissue
- Incubation period of 2 to 5 days
- Lesion develops at site of inoculation, starting as erythemaous papule, then ulceration, then eschar
- May progress to sepsis
Pulmonary anthrax
- Caused by inhalation of spores
- Also known as woolsorter's disease
- Start with malaise, fever, and nonproductive cough, followed by respiratory distress, severe pulmonary edema, and death
Gastrointestinal anthrax
- Caused by ingestion of spores
- Infects oropharynx or abdomen
- Causes sepsis
