A 64-year-old English woman living in Australia had a live 8 cm (3 inch) parasitic worm removed from her brain, which is the first-ever discovery .
Source: https://m.timesofindia.com/life-style/health-fitness/health-news/worlds-first-live-8-cm-long-worm-found-in-brain-of-australian-woman/articleshow/103173715.cms