NIHR Health Protection Research Unit (HPRU) in Emerging and Zoonotic Infections, Institute of Infection, Veterinary and Ecological Science, University of Liverpool AND Tropical and Infectious Diseases Unit, Royal Liverpool University Hospital, Liverpool, L7 8XP
. NIHR Health Protection Research Unit (HPRU) in Emerging and Zoonotic Infections, Institute of Infection, Veterinary and Ecological Science, University of Liverpool AND Division of Neurology, Walton Centre NHS Foundation Trust, Liverpool, L9 7LJ