
Common cold sore virus triggers lasting brain injury in mum
A 74-year-old woman from Wales developed encephalitis caused by herpes simplex virus type 1 (HSV‑1), leading to a 12‑week hospital stay and long‑term brain injury. Doctors note that rapid diagnosis and antiviral treatment within 48 hours can reduce damage, and the family is urging others to watch for early warning signs of encephalitis.











