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. 2010 Mar 25;2(4):782–795. doi: 10.3390/v2040782

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© 2010 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 3. — H1N1pdm Infection Rate per 100,000 Population, by age group in Milwaukee County, WI, from April 26, 2009 to July 25, 2009. Rate per 100,000 shown as numbers above bars; #, number of cases; * N (50–64 year age group) = 32, 67, 101 for Males, Females and Total (including gender not known). ** N for ≥ 65 years = 4, 10, 14 for Males, Females and Total (including gender not known).