Related Clues:

• Source of infection in obvious hospital case
• See 13 Across
• Doctor's 'customer'
• Knot in short knickers not liable to get them in a twist?
• Job description one included in manifest
• One in no hurry to leave the hospital?
• One in clear case
• Playing the waiting game
• Inept at treating sick person
• Able to wait
• Like Job
• "Be ___!" ("Help me out, friend")
• Like a good waiter?
• 'Come on, be ___ and like my new Instagram post...'
• Invalid has tube, initially that is, inserted to breathe