Update: Influenza activity - United States and Worldwide, 2000- 01 Season, and composition of the 2001-02 influenza vaccine (Reprinted from MMWR, vol 50, pg 466-470, 2001)

Hay, A.

Update: Influenza activity - United States and Worldwide, 2000- 01 Season, and composition of the 2001-02 influenza vaccine (Reprinted from MMWR, vol 50, pg 466-470, 2001) = JAMA-Journal of the American Medical Association

VIR