John Boyce : 16 Jun 2012 8:52:25am Use an amount of sanitizer at least the size of quarter or enough to keep your hands wet for at least 15 to 20 seconds while you 're rubbing them together . He says viruses can survive for hours on various surfaces . Boyce : People need to wash hands with soap and water for at least 15 seconds . He says alcohol-based sanitizers can work in the absence of a sink .
John Boyce : 16 Jun 2012 8:52:25am He says viruses can survive for hours on various surfaces . Boyce : People need to wash hands with soap and water for at least 15 seconds . He says alcohol-based sanitizers can work in the absence of a sink .