The ability of the body to protect itself against disease-causing microbes is known as immunity. Every day, our bodies come into contact with a variety of pathogens, although only a small percentage of these cause disease. The reason for this is that our bodies have the ability to produce antibodies against certain viruses, which protects us from sickness. Immunity is the name given to this defence mechanism. Innate immunity is the form of immunity is present in all living things from the moment they are born. When the pathogen attacks, this is immediately activated. Certain barriers and defence mechanisms are built into innate immunity to keep foreign particles out of the body. The body's defence system is referred to as innate immunity. Immunity that has been acquired. Immunity that our bodies acquires or gains through time is known as acquired immunity or adaptive immunity. This, unlike innate immunity, is not present from birth. Acquired immunity refers to the immune system's ability to adapt to sickness and create pathogen-specific immunity. Adaptive immunity is another name for it. After birth, an individual gains immunity, which is referred to as acquired immunity. It is specific, and antibodies or lymphocytes mediate it, rendering the antigen harmless.

Karthika LJ

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