NEW: Questions and Answers: Behavioral Risk Factor Surveillance System (BRFSS) 2009 H1N1 Flu Modules for Influenza-like Illness (ILI) and Vaccination (source: CDC)
This page provides a summary of the Behavioral Risk Factor Surveillance System (BRFSS) and how it helps track influenza activity. (source: CDC) – RSS widgets and RSS feeds on Feedzilla.com
