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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
Created by: 1005641882