Linked below are resources from the CDC for handwashing -- both for child and adult spaces.
Child spaces:
Middle school PDF - https://www.cdc.gov/handwashing/pdf/Handwashing-Middle-School-8x11-p.pdf
Boy superhero JPG - https://www.cdc.gov/handwashing/images/campaign2018/GHD-superhero-boy-1080x1080.jpg
Girl superhero jpg (featured above) - https://www.cdc.gov/handwashing/images/campaign2018/GHD-superhero-girl-1080x1080.jpg
Hispanic boy/girl superhero PDF - https://www.cdc.gov/handwashing/pdf/Hispanic_BoyGirl_SuperHero_HandWashing_Poster_11x17.pdf
White boy/girl superhero PDF - https://www.cdc.gov/handwashing/pdf/White_BoyGirl_SuperHero_HandWashing_Poster_11x17.pdf
Adult spaces: