NSSP Emergency Department Respiratory Daily. This dataset provides the percentage of emergency department patient visits for the specified pathogen of all ED patient visits for the specified geographic part of the country that were observed for the given day from data submitted to the National Syndromic Surveillance Program (NSSP).
For additional information, please see: Companion Guide: NSSP Emergency Department Data on Respiratory Illness
While the data are stratified by day, updated data are available once per week each Wednesday.