What does Face with Medical Mask look like on HTC?

On HTC it is the design shipped in Sense 8, shown above at full size. Older revisions are listed beneath it.

When did HTC add Face with Medical Mask?

HTC first drew Face with Medical Mask in Sense 7, released March 30, 2015.

HTC Corporation has shipped 2 versions of Face with Medical Mask. Each is dated, so you can see when the design changed.

HTC

HTC Corporation has drawn Face with Medical Mask 2 times. Every revision HTC has shipped is below, newest first.

What does Face with Medical Mask look like on HTC?: On HTC it is the design shipped in Sense 8, shown above at full size. Older revisions are listed beneath it.
When did HTC add Face with Medical Mask?: HTC first drew Face with Medical Mask in Sense 7, released March 30, 2015.
How many times has HTC redrawn Face with Medical Mask?: HTC Corporation has shipped 2 versions of Face with Medical Mask. Each is dated, so you can see when the design changed.

HTC artwork for this emoji spans 2015 to 2016.