| Organism
|
Distribution
|
Exposures
|
Incubation
|
Initial presentation
|
| Sporothrix schenckii
|
South and Central America and southern North America
|
gardening (especially roses), other soil contact, animal scratches or bites
|
1 week to 3 months
|
painless ulcerated nodule
|
| Mycobacterium marinum
|
worldwide
|
fish and aquariums, including salt- and freshwater exposures
|
1 to 6 weeks
|
mildly tender, ulcerated nodule
|
| Nocardia brasiliensis
|
worldwide
|
soil, cat scratch
|
3 days to 6 weeks
|
tender, ulcerated, draining nodules
|
| Leishmania brasiliensis
|
South and Central America
|
sand flies
|
2 to 24 weeks
|
painless, punched-out shallow ulcer
|
| Francisella tularensis
|
North America
|
wild animal exposures (especially hunting) or ticks
|
1 to 6 days
|
painful ulcerated draining papule
|
| Bacillus anthracis
|
worldwide
|
animal, animal product, or contaminated soil exposures
|
|
painless ulcer with vesicles and edema
|
| Staphylococcus aureus
|
worldwide
|
|
4 to 10 days
|
abscesses, with or without drainage
|
| Coccidioides immitis
|
Southwest US and northern Mexico
|
soil exposure or laboratory exposure
|
1 to 4 weeks
|
verrucous plaques and ulcerated nodules
|
| Blastomyces dermatitidis
|
worldwide, particularly North America
|
soil, animal bites or scratches, laboratory exposure
|
1 to 5 weeks
|
verrucous plaques and ulcerated nodules
|
| Histoplasma capsulatum
|
worldwide
|
soil, birds, laboratory exposure
|
5 to 18 days
|
myriad
|
| Scedosporium
|
worldwide
|
soil, water, or sewage
|
|
nodules
|
| Herpes simplex virus
|
worldwide
|
|
2 to 12 days
|
vesicles
|
| Vaccinia virus
|
|
cattle and cats
|
|
|
