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Sporotricosis
| Question | Answer |
|---|---|
| Is the disease viral, bacterial, fungal, worm or protozoan? | Fungal |
| What is the genus species name of the causative agent? | Sporothrix schenckii |
| How is it transmitted? How does a person get the infection? | transmitted by plants, most often by the prick of a rose thorn; can also be from penetration by wood, sphagum moss, bare roots and other vegetation |
| What are the general signs and symptoms of an infected person? What body systems/organs are involved? | fungus grows@site of pen-small, hard, nontender nodule develops w/in days 2 months,enlarges& becomes necrotic, brks thru skin surf, drains; infection progresses along regional lymphatic channels, leaving chain of lesions @various stages.can persist years |
| Are there any toxins or factors that increase the virulence of the pathogen? | horticulturists, gardeners, farmers, and basket weavers incur majority of cases |
| How is the agent commonly identified? How is confirmation of agent made? | special stains used to highlight tiny, cigar shaped yeasts. typical colony morphology and serological tests can confirm diagnosis; sporotrichin skin test |
| How does each bacterial pathogen stain for gram, endospore, capsule, acid fast? What shape does each bacteria have? | n/a |
| Which viruses are DNA or RNA viruses? Which are enveloped or non-enveloped? | n/a |
| Are there any special (classic) signs or symptoms that characterize the disease/infection? | nodules on skin |
| Is there a treatment or cure available? What are the most common antibiotics given? | potassium iodine, given orally in milk or applied topically to open lesions; amphotericin B & flucytosine can help unresponsive cases; local application of heat |
| Is there a vaccine available? | No |
| How can transmission be prevented? | people with occupational hazard should cover up bare limbs |
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