credits bmbl December 7 '06.doc - Central Michigan University

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Agent Summary Statements – Arboviruses and Related Zoonotic Viruses Table 2 EXPLANATION OF SYMBOLS USED IN TABLE 2 TO DEFINE BASIS FOR ASSIGNMENT OF VIRUSES TO BIOSAFETY LEVELS SYMBOL DEFINITION S Results of SALS survey and information from the Catalog. 1 IE A A1 A2 A3 A4 A5 A6 A7 A8 Insufficient experience with virus in laboratory facilities with low biocontainment. Additional criteria. Disease in sheep, cattle or horses. Fatal human laboratory infection – probably aerosol. Extensive laboratory experience and mild nature of aerosol laboratory infections justifies BSL-2. Placed in BSL-4 based on the close antigenic relationship with a known BSL-4 agent plus insufficient experience. BSL-2 arenaviruses are not known to cause serious acute disease in humans and are not acutely pathogenic for laboratory animals including primates. In view of reported high frequency of laboratory aerosol infection in workers manipulating high concentrations of Pichinde virus, it is strongly recommended that work with high concentrations of BSL-2 arenaviruses be done at BSL-3. Level assigned to prototype or wild-type virus. A lower level may be recommended for variants with well-defined reduced virulence characteristics. Placed at this biosafety level based on close antigenic or genetic relationship to other viruses in a group of 3 or more viruses, all of which are classified at this level. BSL-2 hantaviruses are not known to cause laboratory infections, overt disease in humans, or severe disease in experimental primates. Because of antigenic and biologic relationships to highly pathogenic hantaviruses and the likelihood that experimentally infected rodents may shed large amounts of virus, it is recommended that work with high concentrations or experimentally infected rodents be conducted at BSL-3. 246
Agent Summary Statements – Arboviruses and Related Zoonotic Viruses Table 3 VACCINE STRAINS OF BSL-3 AND -4 VIRUSES THAT MAY BE HANDLED AS BSL-2 VIRUS VACCINE STRAIN Chikungunya 181/25 Junin Candid #1 Rift Valley fever MP-12 Venezuelan equine encephalomyelitis TC83 Yellow fever 17-D Japanese encephalitis 14-14-2 Based on the recommendations listed within Tables 2 and 3, the following guidelines should be adhered to where applicable. VIRUSES WITH BSL-2 CONTAINMENT RECOMMENDED The recommendation for conducting work with the viruses listed in Table 1 at BSL-2 was based on the existence of adequate historical laboratory experience to assess the risks when working with this group of viruses. This indicates a) no overt laboratoryassociated infections are reported, b) infections resulted from exposures other than by infectious aerosols, or c) if disease from aerosol exposure is documented, it is uncommon. Laboratory Hazards Agents listed in this group may be present in blood, CSF, various tissues, and/or infected arthropods, depending on the agent and the stage of infection. The primary laboratory hazards comprise accidental parenteral inoculation, contact of the virus with broken skin or mucous membranes, and bites of infected laboratory rodents or arthropods. Properly maintained BSCs, preferable Class II, or other appropriate personal protective equipment or physical containment devices are used whenever procedure with a potential for creating infectious aerosols or splashes are conducted. Containment Recommendations BSL-2 practices, containment equipment, and facilities are recommended for activities with potentially infectious clinical materials and arthropods and for manipulations of infected tissue cultures, embryonate hen’s eggs, and rodents. Large quantities and/or high concentrations of any virus have the potential to overwhelm both innate immune mechanisms and vaccine-induced immunity. When a BSL-2 virus is being produced in large quantities or in high concentrations, additional risk assessment is required. This might indicate BSL-3 practices, including additional respiratory protection, based on the risk assessment of the proposed experiment. VIRUSES WITH BSL-3 CONTAINMENT RECOMMENDED 247
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Biosafety in Microbiological and Bi
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SECTION VIII-H: Prion Diseases 299
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Forward Biosafety in Microbiologica
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Editors: L. Casey Chosewood, MD Dir
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Guest Editors: Matthew J. Arduino,
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Charles B. Millard, PhD Lieutenant
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Robert Bull Karen B. Byers Jane Cap
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Thomas L. Miller Douglas M. Moore M
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Robert Yarchoan Uri Yokel Lisa Youn
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Introduction laboratories chose not
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Introduction RISK CRITERIA FOR ESTA
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Introduction BMBL includes an impor
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Section II Biological Risk Assessme
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Biological Risk Assessment informat
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Biological Risk Assessment The NIH
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Biological Risk Assessment effectiv
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Biological Risk Assessment Third, m
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Biological Risk Assessment 14. Oxma
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Principles of Biosafety Safety equi
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Principles of Biosafety Often an in
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Principles of Biosafety Four standa
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Principles of Biosafety 4. Centers
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Laboratory Biosafety Level Criteria
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Section V Vertebrate Animal Biosafe
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Vertebrate Animal Biosafety Level C
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TABLE 1 SUMMARY OF RECOMMENDED BIOS
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Principles of Laboratory Biosecurit
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Occupational Health and Immunoproph
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Agent Summary Statements - Bacteria
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• Section VIII-B: Fungal Agents A
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Agent Summary Statements - Fungal A
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• Section VIII-H: Prion Diseases
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Agent Summary Statement - Prion Dis
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Appendix A Proper maintenance of ca
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Appendix A declined. However, in ma
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Appendix A It is possible to exhaus
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Appendix A 4. The Class II, Type A2
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Appendix A prohibited. Furthermore,
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Appendix A plastic wrappers, pipett
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Appendix A touch-plate microburners
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Appendix A SECTION VI FACILITY AND
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Appendix A Development of Containme
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Appendix A C. Airflow Smoke Pattern
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Appendix A TABLES Table 1. Selectio
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Appendix A Table 3. Field Performan
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Appendix A FIGURES Figure 1. HEPA f
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Appendix A Figure 3. The Class II,
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Appendix A Figure 5B. The Class II,
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Appendix A Figure 8. The Class III
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Appendix A Figure 9B. The vertical
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Appendix A Figure 11. A typical lay
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Appendix A REFERENCES 1. Centers fo
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Appendix B Decontamination and Disi
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Appendix B surfaces are contaminate
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Appendix B TABLE 1 DESCENDING ORDER
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Appendix B dioxide gas exits the ge
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Appendix B d The effectiveness of a
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Appendix C Transportation of Infect
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Appendix C 1600 Clifton Road, N.E.,
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Appendix C disease in humans or in
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Appendix C Biological specimen, Cat
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Appendix D Agriculture Pathogen Bio
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Appendix D simultaneous opening of
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Appendix D 14. Pathological inciner
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Appendix D Wastes and other materia
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Appendix D Camelpox virus b a, b, c
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Appendix D SPECIAL ISSUES The impor
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Appendix D required by the USDA and
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Appendix D depression, anorexia, an
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Appendix D laboratory with enhancem
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Appendix D five day period of conta
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Appendix D slaughterhouses or indus
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Appendix D virus does not cause any
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Appendix D NDV is classified in the
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Appendix D movement permit is requi
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Appendix D Spring Viremia of Carp V
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Appendix D REFERENCES 1. Hess WR. A
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Appendix D 37. Alexander DJ. Newcas
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Appendix E Arthropod Containment Gu
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Appendix F Select Agents and Toxins
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Appendix G IPM issues and requireme
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Appendix H Working with Human, NHP
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Appendix I Guidelines for Work with
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decontaminated periodically, for ex
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0.25N, and/or sodium hypochlorite (
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k Irradiation causes a dose-depende
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7. Morin R, Kozlovac J. Biological
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Appendix J NIH Oversight of Researc
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Appendix K Resources for Informatio
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Appendix K E-mail: http://www2.gsu.
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Appendix K and http://www.who.int/c
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Appendix L HEPA High Efficiency Par
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