¡Aah!

A man in a light blue shirt and patterned tie sits with his arm extended while a medical worker in a white coat, cap, and mask prepares to inject his upper arm with a syringe; the man's expression shifts between apprehension and pain as he clenches his jaw and bites his hand, his face contorting in discomfort, while the medical worker remains focused on administering the injection in a room with a wooden-beamed ceiling and a small window.