Immunity (medicine) In biology, immunity is the state of being insusceptible or resistant to a noxious agent or process, especially a pathogen or infectious disease. Immunity may occur …

We welcome studies that provide fundamental new immunological insights at the molecular, cellular, or whole organism level that are relevant, but not limited, to cancer, infectious …

Jul 30, 2024 · There are two types of immunity: active and passive. Immunity to a disease is achieved through the presence of antibodies to that disease in a person's system. Antibodies …

Acquired immunity, also called adaptive or specific immunity, is protection your body gains (acquires) over time from exposure to germs. Certain white blood cells called lymphocytes …

Nov 29, 2025 · The immune system is a group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing entities. Immunity from disease is …

What is the immune system? The immune system is what protects your body from diseases and infections. It's the bodily system that produces the immune response to defend your body from …

Mar 11, 2025 · Its complex network of cells, organs, proteins, and tissues enables the immune system to defend the body from pathogens. A fully functional immune system can distinguish …

Developed by the American Association of Immunologists and their expert members, Immunology Explained connects immunology to overall health, helping people understand its link to …

Aug 26, 2025 · Learn about immunity: your body's defense system against bacteria, viruses, and disease. Understand innate, adaptive, active, and passive immunity.

Innate immunity involves immediate, nonspecific responses to foreign invaders, while adaptive immunity requires more time to develop its complex, specific responses (1). Innate immunity is …