1 Johns Hopkins Encephalitis Center, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA. Electronic address: avenkat2@jhmi.edu.
2 Center for Immune and Inflammatory Disease, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA; National Institute for Health Research Health Protection Research Unit in Emerging and Zoonotic Infections, Institute of Infection and Global Health, University of Liverpool, Liverpool, UK; Department of Neurology, Walton Centre NHS Foundation Trust, Liverpool, UK.
3 Johns Hopkins Encephalitis Center, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.
4 Johns Hopkins Encephalitis Center, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; Department of Anaesthesia/Critical Care, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.
5 National Institute for Health Research Health Protection Research Unit in Emerging and Zoonotic Infections, Institute of Infection and Global Health, University of Liverpool, Liverpool, UK; Department of Neurology, Walton Centre NHS Foundation Trust, Liverpool, UK.