Explain Active Immunisation.
Share
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Active immunization is a process by which an individual's immune system is stimulated to produce an immune response against a specific pathogen or disease-causing agent. This is achieved by administering a vaccine, which contains either weakened or killed forms of the pathogen, its toxins, or parts of the pathogen (antigens).
The key features of active immunization include:
Stimulation of Immune Response: The vaccine introduces harmless antigens to the immune system, triggering the production of antibodies and memory cells specific to the pathogen.
Protection Against Future Infections: Upon exposure to the actual pathogen, the immune system recognizes and mounts a rapid and effective response, preventing or reducing the severity of the infection.
Long-lasting Immunity: Active immunization typically results in long-lasting immunity, as memory cells retain the ability to respond to the pathogen upon subsequent exposures.
Types of Vaccines: Vaccines used for active immunization include live attenuated vaccines, inactivated or killed vaccines, subunit or recombinant vaccines, and toxoid vaccines, each designed to elicit a specific immune response.
Active immunization is a critical preventive measure to control and eradicate infectious diseases, contributing to improved public health outcomes and reduced disease burden globally. Regular vaccination programs ensure widespread immunity within populations, leading to the containment of vaccine-preventable diseases.