Many people worry about catching a virus from a sick coworker, but perhaps they should also start worrying about other sources of possible infection. New research shows that contamination of just a single doorknob can help spread germsthroughout office buildings, hotels or health care facilities within hours.
Researchers applied samples of a virus to surfaces such as doorknobs and tabletops and found that, within two to four hours, the virus had been picked up by 40 to 60 percent of workers and visitors in the facilities and could be detected on many commonly touched objects. http://www.cbsnews.com/news/one-germy-doorknob-can-infect-half-your-office-within-hours/
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