This sourcebook delves into the world of vaccines, tracing their historical development and exploring the advancements in vaccine technology. It explains the safety of vaccines, benefits of immunization, and describes the targeted administration of vaccines within diverse groups, including children and adults, pregnant women, and specific populations with unique health-care needs. It also provides information on disease-specific vaccines and preventive care measures that can be taken to reduce the risk of diseases, disabilities, and death. The book concludes with a glossary of terms related to vaccinations and preventive care and a directory of organizations for further assistance and information.