Influenza, Influenza-Associated Mortality, and Novel Influenza A Table of Contents Overview Case Definition - Influenza Case Definition - Influenza-Associated Mortality 2014 Case Definition – Novel Influenza A Virus Infections Information Needed for Investigation Public Health Partner Notification Control Measures Laboratory Procedures Missouri State Public Health Laboratory (MSPHL) Procedures Reporting Requirements References Resources File Directory Sample Letter to Parents Print On this page Book traversal links for Influenza, Influenza-Associated Mortality, and Novel Influenza A Overview ›