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Removal of Microorganisms - As Important as Disinfection
"Disinfectant/detergent formulations registered by EPA are used for environmental surface cleaning, but the actual physical removal of microorganisms and soil by wiping or scrubbing is probably as important, if not more so, than any antimicrobial effect of the cleaning agent used."
Source: Centers for Disease Control (CDC) and Prevention Healthcare Infection Control Practices Advisory Committee (HICPAC) "Guidelines for Environmental Infection Control in Health-Care Facilities."
7306_ lores.jpg (63 KB)
This thin section transmission electron micrograph (TEM) depicted a Gram-negative Legionella pneumophila bacterium, which was cultured in an embryonated hen's egg; Magnified approximately 119,500x.
At least 46 Legionella spp., and 70 serogroups have been identified. L. pneumophila, an ubiquitous aquatic bacterial organism, which thrives in warm environments, primarily at temperatures ranging from 32 degrees to 45 degrees C, and causes over 90 percent of Legionnaires' disease, (LD), in the United States. Legionnaires' disease, (LD), is the more severe form of legionellosis and is characterized by pneumonia, commencing 2-10 days after exposure. Pontiac fever is an acute-onset, flu-like, non-pneumonic illness, occuring within a few hours to two days of exposure.
Source: CDC
Link to hi-res version:
http://phil.cdc.gov/PHIL_Images/7306/7306.tif
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