Immunization

Immunization is the process by which an individual’s immune system is strengthened against specific infectious diseases. It typically involves the administration of vaccines, which contain components that resemble disease-causing microorganisms. These components stimulate the body’s immune response, leading to the production of antibodies and memory cells that can recognize and combat the actual pathogens in the future. Immunization is a key public health strategy aimed at preventing the spread of infectious diseases, reducing morbidity and mortality, and contributing to herd immunity, which protects those who cannot be vaccinated. It can be performed through various methods, including injections, oral doses, or nasal sprays, and is a critical component of childhood healthcare and disease prevention programs.