The 1918-1920 pandemic swept through Taiwan in two distinct waves, both occurred during winter influenza seasons -the first at the end of 1918 and the second in early 1920, and with devastating loss of human lives. Increased influenza cases were initially reported in mid-October 1918 in Keelung, the main seaport in north [7] . A report published in the Taiwan Medical Association Journal in February 1920 [8] on the devastation brought by this first wave of influenza outbreak reported that 20.8% of the population had been infected with a case fatality rate of 3.26%. A second wave appeared at the end of 1919 and affected Taiwan through the early months of 1920, also with a severe death toll. A recent study [9] made use of the monthly mortality data in Taiwan during that time period to estimate that the total number of excess deaths during the pandemic months of November-December 1918 and January-February 1920 was 51,048 (95% CI 41,998-61,853).