Free-Text Chief Complaint: Why Syndromic Surveillance Needs Unstructured Data
Charlie Ishikawa, MSPH, Public Health Practice, International Society for Disease Surveillance, Brighton, MA, David Buckeridge, MD, PhD, Informatics, McGill Clinical and Health Informatics, Montreal, QC, Canada, Wendy Chapman, PhD, Division of Biomedical Informatics, University of San Diego School of Medicine, La Jolla, CA, Michele Day, PhD, Division of Biomedical Informatics, University of California, San Diego, La Jolla, CA and Laura Streichert, PhD, MPH, ISDS, International Society for Disease Surveillance, Brighton, MA