Preface -- A Brief History of Immunological Research into Psychosis and Pathways for Immune Influence of the Brain.-Basic Concept of Microglia Biology and Neuroinflammation in Relation to Psychiatry -- Epidemiological Studies of Prenatal and Childhood Infection and Schizophrenia -- Schizophrenia, Cytokines and Other Systemic Inflammatory Mediators [to include oxidative stress and lymphocyte alterations] -- Association between Schizophrenia, Microbial Infection and Microbiota -- Autoantibodies and psychosis -- Effect of Infection on Cognition in Schizophrenia and Healthy People -- Role of Infection, Autoimmunity, Atopic Disorders and the Immune System in Schizophrenia: Evidence from Epidemiological and Genetic Studies -- Microglial Activation and Psychotic Disorders: Evidence from Pre-clinical and Clinical Studies -- Early-Life Adversity, Systemic Inflammation, and Co-Morbid Physical and Psychiatric Illnesses of Adult Life -- Inflammation, Antipsychotic Drugs and Evidence for Effectiveness of Anti-inflammatory Agents in Schizophrenia.