Flu Posters CPC 2023 Sizes: 150 × 78 / 300 × 157 / 768 × 402 / 1,024 × 536 / 1,536 × 804 / 2,048 × 1,072 / 300 × 157 / 600 × 314 / 100 × 100 / 2,167 × 1,134