Americans appear to be embracing hand hygiene more than in past years.But not all of us are cleaning our hands as often as we should – especially with the threat of the H1N1 flu virus (also known as swine flu). In the fifth annual Clean Hands Report Card issued by The Soap and Detergent Association (SDA), America’s grade for hand hygiene has risen from a “C-minus” in 2008 to a “B-minus.” The Report Card is based on a series of hygiene-related questions asked of 888 Americans during a tele...