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. Author manuscript; available in PMC: 2011 Aug 15.
Published in final edited form as: J Infect Dis. 2010 Aug 15;202(4):567–575. doi: 10.1086/654897

Figure 2.

Figure 2

Age-specific weekly time series of respiratory mortality per 10,000 people in the city of Toluca, Mexico State, 1915–1920. Areas shaded in red highlight 3 time periods of high mortality associated with three waves of the 1918–20 pandemic occurring in spring (Apr-2 to Jun-3, 1918), fall (Oct-1 to Dec-23, 1918), and winter (Jan-1 to Mar-11, 1920).