Legionella Pneumophila
Morphology | Gram negative aerobic bacterium of the Legionellaceae family. |
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Disease | Legionnaires' disease, a severe form of pneumonia. The symptoms of Legionnaire's disease include confusion, headache, diarrhea, abdominal pain, fever, chills, and myalgia as well as a non-productive cough |
Zoonosis | None |
Host Range | Humans and animals |
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Modes of Transmission | Can be transmitted through aerosols and aspiration of contaminated water. |
Signs and Symptoms | Can cause a severe form of pneumonia. Symptoms include confusion, headache, diarrhea, abdominal pain, fever, chills, and myalgia as well as a non-productive cough. |
Infectious Dose | unknown |
Incubation Period | unknown |
Prophylaxis | None available |
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Vaccines | None available |
Treatment | Respiratory fluoroquinolones and the newer macrolides are used |
Surveillance | Monitor for symptoms. Diagnosis can be confirmed via identification of L. pneumophila, often isolated from respiratory secretions, by culturing, immunofluorescent staining, urine antigen tests, PCR, or serologic tests |
MSU Requirements | Report any exposures |
Laboratory Acquired Infections (LAIs) | 1 case. |
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Sources | Expectorated sputum, lower respiratory specimens, pleural fluid, and blood. Other sources include water samples from water systems and fresh water sources. Cultures, frozen stocks, other samples described in IBC protocol. |
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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https://www.cdc.gov/legionella/index.html |
NIh Guidelines
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https://osp.od.nih.gov/wp-content/uploads/NIH_Guidelines.pdf |
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 utilizing 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 and formaldehyde. |
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Inactivation | Inactivated by moist heat (15 minutes at 121oC) and dry heat (1 hour at 170oC). |
Survival Outside Host | Is found naturally in most fresh water sources, including lakes, ponds and rivers. Can survive up to 139 days in distilled water and 415 days in tap water. |
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. |