Home / Health / Virus from childhood leaves woman with brain damage
Virus from childhood leaves woman with brain damage
13 Apr
Summary
- Herpes simplex virus type 1, a common cold sore virus, caused brain damage.
- Encephalitis, a brain inflammation, left Helen Edwards struggling to make memories.
- Low awareness of encephalitis means critical diagnosis time is often missed.

A common virus, herpes simplex virus type 1 (HSV-1), estimated to affect two-thirds of the global population under 50, has caused devastating brain damage in Helen Edwards, 74. What initially felt like flu escalated into a 12-week hospital stay, with doctors diagnosing viral encephalitis, a serious inflammation of the brain. This condition has severely impacted Helen's life, leaving her unable to recognize her own home and struggling to form new memories.
Encephalitis, though uncommon, strikes an estimated three people every minute worldwide. Campaigners stress that a critical lack of awareness, with 77% of people unaware of the condition, poses a significant risk. Early symptoms can mimic other illnesses, making diagnosis challenging and often requiring scans. Helen's daughter emphasizes that prompt treatment within 48 hours can significantly reduce the severity of symptoms, highlighting that 'time is of the essence.'
Helen is now receiving care for autoimmune encephalitis, a complication of the viral form, at Swansea's Morriston Hospital. Her family manages her daily needs, a significant shift from her previous active life. The long-term effects of her acquired brain injury remain uncertain, underscoring the profound and lasting impact of this often-underestimated virus and the critical need for greater public understanding and rapid medical response.