Computers are actually "filthy"

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The Department of Infection Management at Beijing You'an Hospital once conducted a contamination test on 20 office computers. The results showed that in the crevices of public computer keyboards, there were hidden contaminants such as cookie crumbs, coffee grounds, and hair strands. Moreover, various pathogenic bacteria were isolated from the keyboards and mice. Professor Li Suying, an infectious disease expert at the hospital, said that Staphylococcus aureus and Escherichia coli isolated from the keyboard can cause skin pustular rash and gastrointestinal diseases respectively, while fungi on the keyboard can spread hand fungus and other diseases. American scholars have also found that harmful bacteria discovered on computer keyboards and mice are 400 times higher in quantity than those found in public restrooms.