Medigenic Medical Keyboard, paired with a Stinger Medical Levitator deployed in a hospital in Daly City, California.  The keyboard keys are not raised, enabling it to be cleaned by wiping and preventing the buildup of contaminants.
<a href="//commons.wikimedia.org/wiki/User:BrokenSphere" title="User:BrokenSphere">BrokenSphere</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>