Dynamics of Immune Activation in Health and Disease

Immune activation refers to the activation of a body's immune response when it recognizes any foreign substance or microorganism like a bacterium or a virus. It serves an essential function in the body's defense mechanism. The immune system is a complex network of cells, tissues, and organs that help protect the body from infections and diseases. It is classified into three types, namely, innate immunity, active immunity, and passive immunity. A person is born with innate immunity that acts as a first line of defense for the body. Some examples of innate immunity are skin, mucus, enzymes in tears and skin oils, cough reflex, and stomach acid. Active immunity develops when the body is infected with or is vaccinated against an antigen. Passive immunity develops through the antibodies received from another body. Infants receive antibodies from their mother through the placenta. This book provides comprehensive insights into the dynamics of immune activation in health and disease. It consists of contributions made by international experts. This book will provide comprehensive knowledge to the readers.