<p> Although microbiology and immunology are fundamentally separate areas of biology and medicine, they combine to provide a powerful understanding of human health and disease—especially with regard to infectious disease, disease prevention, and tragically, of the growing awareness that bioterrorism is a real and present worldwide danger. </p> <p> World of Microbiology and Immunology is a collection of 600 entries on topics covering a range of interests—from biographies of the pioneers of microbiology and immunology to explanations of the fundamental scientific concepts and latest research developments. In many universities, students in the biological sciences are not exposed to microbiology or immunology courses until the later half of their undergraduate studies. In fact, many medical students do not receive </p>

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