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File:W curve.png

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Description
English: Figure 2. "U-" and "W-" shaped combined influenza and pneumonia mortality, by age at death, per 100,000 persons...
Deutsch: Abbildung 2. "U-" und "W-" Kurven der Todesrate von Grippe und Lungenentzündung über dem Todesalter, auf je 100.000 Personen bezogen
Date 26 October 2006 (original upload date)
Source Transferred from en.wikipedia; transferred to Commons by User:Leptictidium using CommonsHelper. Source: http://www.cdc.gov/ncidod/EID/vol12no01/05-0979.htm (fig. 2) - Taken from "1918 Influenza: the Mother of All Pandemics" Jeffery K. Taubenberger and David M. Morens
Author CDC is author.Original uploader was TimVickers at en.wikipedia
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