This book aims to elucidate recent advancements in immunology, presenting a curated selection of topics not typically covered in conventional immunology textbooks. Each chapter features a comprehensive outline, an abstract, a glossary, and relevant figures, making this volume an accessible and user-friendly resource for seeking to enhance their understanding of these subjects. This publication will appeal to university researchers, R&D professionals, and graduate students in immunobiology who wish to update and deepen their knowledge of emerging and applied concepts in the field.