The new Zika virus is spreading and posing a threat that school nurses need to understand to help keep students safe. Learn the basics you need to know.

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Dr. William Schaffner is past president of the National Foundation for Infectious Diseases and has served on the Executive Board of the Infectious Diseases Society of America. He is also Professor of Preventive Medicine in the Department of Health Policy as well as Professor of Infectious Diseases in the Department of Medicine at the Vanderbilt University School of Medicine, Nashville, Tennessee.