Figure 1From: Time variations in the transmissibility of pandemic influenza in Prussia, Germany, from 1918–19Epidemic curve of pandemic influenza in Prussia, Germany, from 1918–19. Reported daily number of influenza deaths (solid line) and the back-calculated temporal distribution of onset cases (dashed line). Daily counts of onset cases were obtained using the time delay distribution from onset to death (see Table 1). Data source: ref [18] (see [Additional file 1]).Back to article page