Estimates of the Prevalence of Pandemic (H1N1) 2009, United States, April–July 2009
Carrie Reed , Frederick J. Angulo, David L. Swerdlow, Marc Lipsitch, Martin I. Meltzer, Daniel Jernigan, and Lyn Finelli
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (C. Reed, F.J. Angulo, D.L. Swerdlow, M.I. Meltzer, D. Jernigan, L. Finelli); Harvard School of Public Health, Boston, Massachusetts, USA (M. Lipsitch)
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