Herpes Simplex Virus
Morphology | HSV-1 and HSV-2 are members of the Herpesviridea family. Are double stranded DNA viruses enclosed within an icosahedral capsid. |
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Disease |
HSV-1: Primarily cold sores, eye infections, CNS infections. HSV-2: primarily genital sores. |
Zoonosis |
none.
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Host Range |
Humans
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Modes of Transmission | Direct contact with infected secretions or mucous membranes or skins with lesions |
Signs and Symptoms | Cold sores: Mainly caused by HSV-1. Gingivostomatitis, fever, sore throat, mucosal edema, and painful lesions Genital herpes: Sexually transmitted disease mainly caused by HSV-2. Bilateral, painful, and extensive genital ulcers, which heal without scarring within 12 days. |
Infectious Dose | unknown |
Incubation Period | 1 to 26 days. |
Prophylaxis | None available. |
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Vaccines | None available. |
Treatment | Antiviral drugs like acyclovir, foscarnet valacyclovir, famciclovir, and penciclovir. |
Surveillance | Monitor for symptoms. Viral culture or PCR is used to detect presence of viral infection. |
MSU Requirements | Report any exposures |
Laboratory Acquired Infections (LAIs) | None. |
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Sources | Virus is shed from saliva, cervix, and urethra. Cultures, frozen stocks, other samples described in IBC protocol. |
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 |
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Inactivation | Inactivated by moist heat (15 minutes at 121oC) and dry heat (1 hour at 170oC). |
Survival Outside Host |
Survives outside host on dry inanimate surfaces (hours to weeks).
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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. |