immunological memory
The immune system's ability to rapidly recognize and respond to previously encountered antigens, fundamental to pediatric vaccination strategies.
Full Definition
The capacity of the adaptive immune system to mount faster and stronger responses upon re-exposure to antigens through memory B and T cells. In pediatric immunology, understanding immunological memory is essential for vaccine development and scheduling, as it explains why booster doses are needed and how maternal antibodies can interfere with infant immune responses. This mechanism underlies the success of childhood immunization programs and the concept of herd immunity.
Usage
Usage note: Use 'immunological' rather than 'immunologic' in formal medical writing; both are acceptable but the former is preferred in pediatric literature.
In Context
- "Robust immunological memory following the primary vaccine series provided long-term protection against pertussis." — vaccine efficacy study
- "The patient's lack of immunological memory to varicella despite vaccination suggested an underlying immunodeficiency." — immunology consultation