As the COVID-19 pandemic continues to unfold, many people worry about contracting the virus by touching surfaces, such as public sinks, cellphones or computer workstations. Dr. Clayton Cowl, chair of Mayo Clinic's Division of Preventive, Occupational and Aerospace Medicine, says that while the virus that causes COVID-19 may live on surfaces for hours to days, people can reduce their risk of contracting it by practicing certain hygiene strategies.

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