1 Infectious Diseases and Intensive Care Unit, Pontchaillou University Hospital, 2, rue Henri Le Guilloux, 35033, Rennes Cedex, France. pierre.tattevin@chu-rennes.fr.
2 ESCMID Study Group for Infectious Diseases of the Brain (ESGIB), Basel, Switzerland. pierre.tattevin@chu-rennes.fr.
3 ESCMID Study Group for Infectious Diseases of the Brain (ESGIB), Basel, Switzerland.
4 National Institute for Health Research, (NIHR) Health Protection Research Unit in Emerging and Zoonotic Infections, Institute of Infection and Global Health, University of Liverpool, Walton Centre National Health Service (NHS) Foundation Trust, Liverpool, UK.
5 Department of Neurology, Amsterdam Neuroscience, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.