How does the body acquire active immunity to a disease without getting the disease?
1-though vaccination if you are talking about active inmunity or 2- passive inmunity which diminishes in a relatively short time, usually a few weeks or months Definition of Active immunity Active immunity: The production of antibodies against a specific agent by the immune system. Active immunity can be acquired in two ways: * by contracting an infectious disease — such as, for example, chickenpox; or * by receiving a vaccination usually pe– such as, for example, against polio. Active immunity is permanent. The individual is protected from the disease all their life.
