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Applied and Environmental Microbiology, May 2009, p. 2987-2990, Vol. 75, No. 9
0099-2240/09/$08.00+0     doi:10.1128/AEM.02180-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

UV Light Inactivation of Bacterial Biothreat Agents{triangledown}

L. J. Rose* and H. O'Connell

Centers for Disease Control and Prevention, Atlanta, Georgia

Received 19 September 2008/ Accepted 25 February 2009

Seven species of bacterial biothreat agents were tested for susceptibility to UV light (254 nm). All gram-negative organisms tested required <12 mJ/cm2 for a 4-log10 reduction in viability (inactivation). Tailing off of the B. anthracis spore inactivation curves began close to the 2-log10 inactivation point, with a fluence of approximately 40 mJ/cm2, and 3-log10 inactivation still was not achieved with a fluence of 120 mJ/cm2.

* Corresponding author. Mailing address: Centers for Disease Control and Prevention, NCID/DHQP/ILB, 1600 Clifton Rd. NE, MS C-16, Atlanta, GA 30329. Phone: (404) 639-2161. Fax: (404) 639-3822. E-mail: lrose{at}cdc.gov

{triangledown} Published ahead of print on 6 March 2009.

Applied and Environmental Microbiology, May 2009, p. 2987-2990, Vol. 75, No. 9
0099-2240/09/$08.00+0     doi:10.1128/AEM.02180-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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