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Tests for neutralizing antibody to this virus require handling live virus under biosafety level 2 containment and thus are only available by special request at CDC (through state health departments) and selected reference laboratories. This award-winning Biosafety Level 2 vaccine research facility is uniquely designed to make extensive use of natural light, encourage employee interaction and to maximize efficiency. Biosafety level 2 (BSL-2) precautions are recommended for laboratories and persons who manipulate nonattenuated strains of vaccinia virus (10). |
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