With more than 700 expert authors from 22 different countries, the Encyclopedia of Immunology, Second Edition is the largest comprehensive reference source of current immunological knowledge available. It provides a broad scope and high level of expertise to the many aspects of the field of immunology and related areas, including microbiology, virology, and parasitology. Arranged into 31 subject areas with extensive cross-referencing and subject indexes in each volume, the Encyclopedia is easy-to-use for virtually any researcher, regardless of his or her field. Concise definitions of the subject area also introduce each entry. The Second Edition includes timely and thorough updates for all articles from the First Edition, more than 60 new entries, a glossary of immunological terms in each volume, a total of 500 figures and tables, and new color plates sections.