Cerebral malaria (NPJ Day, UK; G Turner, UK); Neurologic aspects of Lyme disease (PK Coyle, USA); Postinfectious encephalomyelitis (PK Coyle, USA); Cytomegalovirus infection of the adult nervous system (E Lavi, USA; Alexandros Tselis, USA); Herpes simplex virus encephalitis (JR Baringer, USA); HIV-associated dementia (J McArthur, USA); Human prion diseases (R de Silva, UK; RG Will, UK); Japanese encephalitis (A Desai, India; M Gourie-Devi, India; V Ravi, India; SK Shankar, India); Vaccines to prevent bacterial meningitis (JS Kroll, UK; JM MacLennan, UK); Neurological complications of varicella-zoster virus (DH Gilden, USA; JJ LaGuardia, USA; R Mahalingam, USA; TM White, USA; RJ Cohrs, USA); Neurological aspects of human African trypanosomiasis (JLM de Atouguia, Portugal; P Kennedy, UK); Neurosyphilis (C Marra, USA); Rabies (T Hemachudha, Thailand; E Mitrathekd, Thailand); Recurrent aseptic meningitis (RL DeBiasi, USA; KL Tyler, USA); Tuberculous meningitis (LE Davis, USA); Ehrlichiosis and the nervous system (LE Davis, USA; CD Paddock, USA; JE Childs, USA).