Tomorrow, children across the country head back to school. Today, however, The Takeaway is joined by three health care professionals to talk about what school communities are doing to combat the spread of the H1N1 virus. Dr. William Schaffner is the chair of the Department of Preventive Medicine at the Vanderbilt School, Lisa Swank is a public health emergency preparedness coordinator from Maryland, and Carol Johnson is the superintendent for Boston Public Schools.