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CDC laboratory incident : timeline of major events : anthrax
  • Published Date:
    July 11, 2014
  • Language:
Filetype[PDF-441.98 KB]

  • Description:
    June 5: BRRAT [Bioterrorism Rapid Response and Advanced Technology] Lab BSL [biosafety level]-3
- Laboratory scientist prepared extracts from B. anthracis for analysis.
Culture after ten minute treatment.

    June 6: BRRAT Lab BSL-3
- After twenty four hours, extracts removed to BSL-2.
No growth.; BRRAT Lab BSL-2
- MALDI [matrix-assisted laser desorption/ionization] plate is prepared with potential aerosolization sent to Core BSL-2; Core Lab
- MALDI plate arrives and nitrogen air system used in chemical hood blow off flakes (potential aersolization).

    June 12: BRRAT Lab BSL-2
- New MALDI plate is prepared and sent to Special Pathogens lab for mass spectroscopy with potential aerosolization; Special Pathogens BSL-2: 
Special pathogens lab performs mass spectroscopy.

    June 13: BRRAT Lab BSL-3
- Growth noted on ten minute subculture 
Anthrax colonies
BSL-3 containment; MALDI plates and tubes collected and secured from BSL-2 labs.

    June 14: Mass spectrometers taken off line in Special Pathogens and Core labs.

    June 18: BRRAT lab ceases all operations.

    Timeline appearing as Appendix C – Graphic depiction of major events of: Report on the potential exposure to anthrax. Atlanta, GA : Centers for Disease Control and Prevention, 2014, p. 22.

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