Emerging infectious diseases remain a major public health concern in the United States and around the world. Emerging Infectious Diseases Sourcebook, Second Edition provides information about various emerging and reemerging infectious diseases and explains how the immune system works against these infections. It describes how climatic changes affect the outbreak and spread of infectious diseases, and offers guidance for international travelers to protect themselves from such diseases. Types of diagnostic tests, available treatment methods, and preventive measures for different kinds of infectious diseases are explained in detail. The book concludes with a glossary of related terms and a directory of additional resources.