Earworms

“After the British tourist returned from a vacation in Peru earlier this year, she started experiencing headaches, shooting pains down the side of her face and an unexplained discharge from one ear. Those symptoms, plus the bizarre scratching sounds she continued hearing, prompted Harris to visit a doctor soon after her return to England. Though doctors at first dismissed the symptoms as nothing more than an ear infection, specialists soon made a startling discovery:”
 — Sadly, it wasn’t that her ear was haunted.