• Introduction to Michigan Influenza Surveillance The Michigan Department of Community Health (MDCH) determines influenza activity based on many sources of information including data from the MDCH laboratory, Influenza Sentinel Physicians, sentinel laboratories, Michigan Disease Surveillance System (MDSS) disease reports, and MDSS syndromic surveillance.
• Influenza Sentinel Providers The Michigan Department of Community Health (MDCH) participates in the U.S. Sentinel Provider Surveillance Network, a collaborative effort between the Centers for Disease control and Prevention (CDC), state and local health departments, and volunteer sentinel physicians as part of our influenza surveillance.