Fig. 3.
Studies reporting the burden of influenza-associated hospitalization by country. USA [24, 25, 26, 27, 28, 29, 30, 31, 32, 33], China [34, 35, 36, 37, 38, 39, 40], Spain [41, 42, 43, 44, 45, 46, 47], France [48, 49, 50, 51, 52], Canada [52, 53, 54], Japan [55, 56], UK [57, 58], Germany [59], Multinational (Brazil, Canada, and the USA) [60]