What is Immunity?
Immunity Definition – Immunity is the body’s defense system that protects against infections and diseases by recognizing and fighting against harmful pathogens.
Immunity allows the body to recognize and eliminate pathogens, preventing their harmful effects and promoting overall health. The two main types of immunity are innate, providing immediate but nonspecific protection, and adaptive, offering targeted and memory-based responses. Adaptive immunity involves T and B cells that recognize and remember specific pathogens.
Immunization, or vaccination, enhances adaptive immunity by exposing the immune system to harmless antigens, promoting a quicker and more effective response upon subsequent exposure to the actual pathogen. Autoimmunity occurs when the immune system mistakenly targets the body’s own tissues, leading to various autoimmune diseases.
Alos Read; Types of Antigen
Immunity – Definition, Types and Vaccination
Immunity is a defense mechanism of the body that is provided by the immune system and helps in fighting disease-causing organisms. There are two immunity types: innate and acquired immunity. Immunity-enhancing foods help boost the body’s immune system Vaccination also enhances immunity by exposing the immune system to harmless antigens, preparing it to give a quicker and stronger response upon encountering the disease-causing pathogen.
In this article, we will study immunity and its type, vaccination, and immunization.
Table of Content
- What is Immunity?
- Types of Immunity
- Innate Immunity
- First Level of Defence
- Second Level of Defence
- Cells Involved In Innate Immunity
- Acquired Immunity
- Cells Involved in Acquired Immunity
- Types of Immune Response
- Types of Acquired Immunity
- Difference between Acquired Immunity and Innate Immunity
- Autoimmunity
- Vaccination
- Types of Vaccines
- Live Attenuated Vaccines
- Inactivated (Killed) Vaccines
- Subunit, Recombinant, and Conjugate Vaccines
- Messenger RNA (mRNA) Vaccines
- Toxoid Vaccines