Ensuring preparedness against the flu virus at school and work : 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.
|Corporate Author:||United States.|
Washington : U.S. G.P.O. :
> United States
Industrial hygiene > United States > Planning.
School hygiene > United States > Planning.
Virus diseases > Transmission > United States > Prevention > Planning.
"Serial no. 111-19."
iii, 59 p. :
|Original Classification Number:||Y 4.ED 8/1:111-19|
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