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Antimicrobial activity of a continuous visible light disinfection system

  • William A. Rutala (a1) (a2), Hajime Kanamori (a1) (a2) (a3), Maria F. Gergen (a1) (a2), Emily E. Sickbert-Bennett (a1) (a2), Daniel J. Sexton (a4), Deverick J. Anderson (a4), Jeffrey Laux (a5), David J. Weber (a1) (a2) and the CDC Prevention Epicenters Program (a1) (a2) (a3) (a4) (a5)...

We evaluated the ability of high-intensity visible violet light with a peak output of 405 nm to kill epidemiologically important pathogens. The high irradiant light significantly reduced both vegetative bacteria and spores at some time points over a 72-hour exposure period.

Corresponding author
Author for correspondence: William A. Rutala, PhD, UNC School of Medicine, Division of Infectious Diseases, UNC School of Medicine, Bioinformatics Building, CB#7030, Chapel Hill, NC 27514-7030. E-mail:
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Infection Control & Hospital Epidemiology
  • ISSN: 0899-823X
  • EISSN: 1559-6834
  • URL: /core/journals/infection-control-and-hospital-epidemiology
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