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Virus spreading on doorknobs...... - Sarah's Blog [entries|archive|friends|userinfo]
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Virus spreading on doorknobs...... [Sep. 11th, 2014|06:07 pm]
Sarah
http://www.washingtonpost.com/news/to-your-health/wp/2014/09/10/a-single-doorknob-can-contaminate-up-to-60-percent-of-people-in-a-building-in-4-hours/
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