Meningitis Now Student Awareness 2021 - Finding Ellen

When Nick Gilbert collapsed outside Elephant & Castle Tube station in July 2018 after contracting meningitis, he was helped by a stranger who stayed with him until an ambulance arrived. His only recollection is of her name - Ellen - and he would love to be able to thank her for saving his life.

[@dandec3235]

Can you not trace Ellen via emergency telephone call she made? Just a suggestion?