IPV BSL-3/polio containment guidelines (Feb 2003) - World Health ...

Biosafety Committee: An institutional committee of individuals versed in the subject of
containment and handling of infectious materials.
Biosafety Level (BSL)-3/Polio: A biosafety level for the containment of poliovirus with
specialized air handling systems, waste effluent treatment, immunization of staff,
specialized training, and validation and documentation of physical and operational
requirements.
Biosafety Manual: A comprehensive document describing the physical and operational
practices of the laboratory facility with particular reference to infectious materials.
Biosafety Officer: A staff member of an institution who has expertise in microbiology and
infectious materials, and has the responsibility for ensuring the physical and operational
practices of various biosafety levels are carried out in accordance with the standard
procedures of the institution and national and international legislation.
Backflow prevention device: A device designed to prevent backflow or back siphoning in
a piping system.
Biohazard risk level: A risk level or group assigned to a microorganism based on its
pathogenicity, mode of transmission, host range, and the local availability of effective
preventive and treatment measures.
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Adopted by the 53 rd meeting of the WHO Expert Committee on Biological Standardization, 17-21 February 2003. A definitive
version of this document, which will differ from this version in editorial but not scientific detail, will be published in the WHO
Technical Report Series.