Aspergillus fumigatus
Morphology |
Fungus belonging to the Trichocomaceae family. Colonies grow rapidly, producing white,
green, yellow, or black colonies
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Disease |
Aspergillosis, Farmer’s Lung. A. fumigatus causes most infections, and A. niger and A. flavus are second. |
Zoonosis |
None.
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Host Range |
Humans, animals, and birds.
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Modes of Transmission |
Inhalation, through contaminated water, and nosocomial infections (hospital fabrics
and plastics)
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Signs and Symptoms |
Fever, facial pain, headache, asymmetric facial swelling, epistaxis, proptosis, cranial
nerve abnormalities.
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Infectious Dose | Unknown. |
Incubation Period |
2 days to 3 months
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Prophylaxis | None available. |
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Vaccines | None available. |
Treatment |
Voriconazole, amphotericin B, posaconazole and echinocandins. Is resistant to itraconazole
and some isolates have been reported to be resistant to voriconazole, posaconazole
and echinocandins.
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Surveillance | Monitor for symptoms. |
MSU Requirements | Report any exposures |
Laboratory Acquired Infections (LAIs) | None reported
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Sources |
Sputum, biopsy material, transtracheal aspirates, blood, and soil. Inhalation of air
contaminated with Aspergillus spores.
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Canadian MSDS: | http://www.phac-aspc.gc.ca/lab-bio/res/psds-ftss/index-eng.php |
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BMBL:
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https://www.cdc.gov/labs/BMBL.html |
CDC
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NIH Guidelines
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Risk Group 2
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Agents that are associated with human disease which is rarely serious and for which preventive or therapeutic interventions are often available. |
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BSL2
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For all procedures involving suspected or known infectious specimen or cultures.
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ABSL2
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For all procedures involving infected animals
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Small
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Notify others working in the lab. Remove PPE and don new PPE. Cover area of the spill
with absorbent material and add fresh 1:10 bleach:water. Allow 20 munutes (or as directed)
of contact time. After 20 minutes, cleanup and dispose of materials.
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Large
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Mucous membrane
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Flush eyes, mouth, or nose for 5 minutes at eyewash station.
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Other Exposures
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Wash area with soap and water for 5 minutes.
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Reporting |
Immediately report incident to supervisor, complete a First Report of Injury form, and submit to Safety and Risk Management.
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Medical Follow-up
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During business hours: Bridger Occupational Health 3406 Laramie Drive. Weekdays 8am -6pm. Weekends 9am-5pm
After business hours: Bozeman Deaconess Hospital Emergency Room 915 Highland Blvd Bozeman, MT |
Disinfection |
Susceptible to 1:10 bleach:water, 70 % ethanol, accelerated hydrogen peroxide
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Inactivation |
Inactivated by heat (greater than 45 minutes at 60°C).
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Survival Outside Host |
Can survive in soil and decomposing vegetation.
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Minimum PPE Requirements
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Lab coat, disposable gloves, safety glasses, closed toed shoes, long pants
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Additional Precautions
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Additioanl PPE may be required depending on lab specific SOPs and IBC Protocol. |