Title: Ensuring preparedness against the flu virus at school and work
Subtitle: hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, first session, hearing held in Washington, DC, May 7, 2009.
Subjects: Planning, Prevention, Influenza, Virus diseases, School hygiene, Transmission, Industrial hygiene, Influenza -- United States -- Prevention -- Planning, Industrial hygiene -- United States -- Planning, School hygiene -- United States -- Planning, Virus diseases -- Transmission -- United States -- Prevention -- Planning
Places: United States