Lots of people in hospitals help in ways that are not directly related to health. They wear uniforms too. See if you can pick them out.
Domestics: Burgundy polo shirt, or burgundy tunic, with white trim and black trousers
Education officer: Mid blue tunic with red piping and black trousers
Nursery nurse: Mid blue polo shirt with black trousers
Clinical support worker: Light blue tunic with white piping and black trousers