Immune refers to having resistance or protection against a particular disease. When someone is immune, their body can fight off the infection without getting sick.
Related terms
Antibodies: Proteins produced by the immune system to identify and neutralize harmful substances (e.g., bacteria, viruses) in the body.
Vaccination: A preventive measure involving administration of a vaccine that stimulates an immune response and builds up immunity against specific diseases.
Herd Immunity: A situation where enough individuals within a population are immune to prevent widespread transmission of infectious diseases.