U.S. Department of Health and Human Services | National Institutes of Health
changes.mady.by.user Swan, Jeremy (NIH/NICHD) [C]
Saved on May 21, 2020
...
Image courtesy of Centers for Disease Control (CDC)
There are more posters and other images (like the image below) on the Photographs page.
Information about Hand Hygiene in Healthcare settings: https://www.cdc.gov/handhygiene/
Non-hospital handwashing information: https://www.cdc.gov/handwashing/index.html