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Levels of Containment against a Biohazardous Agent

BayBiotech.NET
As per definition of Office of Health and Safety, “containment" is a term used for describing safe methods for managing infectious materials in the laboratory environment where they are being handled or maintained.
The main objective of containment is to reduce or eliminate exposure of laboratory workers, other persons, and the outside environment to potentially hazardous agents.
Two levels of containment defined are Primary and Secondary containment. Whereas, primary containment refers to the protection of personnel and the immediate laboratory environment from the infectious agents, the secondary containment refers to the protection of the environment external to the laboratory from the exposure to the infectious agent/ material.
Primary containment is provided by good microbiological techniques and use of appropriate safety equipments. Secondary containment is provided mainly by a combination of facility design and operational procedures.
A combination of risk assessment for a specific infectious agent, good practices, use of safety equipments and facility design will provide appropriate containment.
More on this topic can be read at CDC site.

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