Pasteurella spp.
Morphology |
Gram negative bacteria, coccobacilli or rods, 0.3-1.0 μm in diameter and 1.0-2.0 μm
in length. They do not sporulate and are non-motile.
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Disease |
Infected bites or scratches from animals, usually cats and dogs, resulting in local cellulitis and can lead to absess. |
Zoonosis |
None.
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Host Range |
Animals (dogs and cats), birds, ticks, lice, flies, cockroaches.
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Modes of Transmission |
Transmission occurs primarily by bites and scratches of infected animals, animal licks
on injury site, respiratory droplets, and infected meat.
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Signs and Symptoms |
Substantial local cellulitis, sometimes accompanied with low fever, appear. If this
infection progresses, subcutaneous abscess, osteomyelitis, pneumonia, endocarditis,
septic arthritis, pericarditis, brain abscess, liver abscess, renal abscess, bacteremia/septicaemia,
conjunctivitis, and lymphangitis may develop.
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Infectious Dose | Unknown. |
Incubation Period |
Less than 24 hours.
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Prophylaxis | Antibiotics such as penicillin or derivative are given with clinical observation of infected bites. |
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Vaccines | None. |
Treatment |
Give appropriate antibiotic therapy.
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Surveillance | Monitor for symptoms. |
MSU Requirements | Report any exposures |
Laboratory Acquired Infections (LAIs) | 2 cases have been reported.
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Sources |
Infected bite wounds and abscesses, pus, bronchial secretion, CSF, and blood, cultures,
frozen stocks, other samples described in IBC protocol.
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BMBL:
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https://www.cdc.gov/labs/BMBL.html |
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Canada PSDS:
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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 |
Phenolic disinfectants, 1% sodium hypochlorite, 70% ethanol, formaldehyde, glutaraldehyde,
iodophore, and peracetic acid.
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Inactivation |
Inactivated by moist heat (60 minutes at 121oC) and dry heat (1 hour at 160-170oC), UV, microwave, gamma radiation.
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Survival Outside Host |
May survive in air (5% after 45 min), in distilled water and ocean water (14 days
at 4°C, less than 24 hours at 37°C), and in pig slurry (3 days at 4°C and 6 days at
37°C). It may also survive in blood.
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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. |