The ad on the poster which have the inscription "blood is not part of your uniform" is targeted at health officers.
What is a poster?
A poster refers to an advertisement with some informative write-up posted on a wall to give awareness. A poster is used to educate the public or some specific group of people.
The poster is an ad targeted at health officers to be clean with their work. Cleanliness is one of the important ethics of health officers.
The fact that they come in contact with blood and wound shouldn't make them to be dirty or stain their uniforms with it.
Learn more about poster:
https://brainly.com/question/1603331