Our immune system is a complex network of cells continually battling against a barrage of attacks from our environment, quite literally to save our lives. But how what protects us from the potentially life-threatening microorganisms that surround us every day? In the lucid, accessible style for which John Playfair is renowned, and together with Greg Bancroft, an expert in infectious diseases, Infection and Immunity explains how our immune system defends us. The authors describe the main causes of infection that our bodies have to battle against - from bacteria to viruses, fungi to protozoa -...