Booster dose
Booster dose
A booster dose (pronounced: boo-ster dohs) is a vaccine dose given after the primary series to 'boost' the immune response. The term is derived from the English words 'boost', meaning to help or encourage, and 'dose', referring to a measured quantity of a medicine or drug.
Etymology
The term 'booster dose' is a combination of two English words. 'Boost' is derived from the Old English 'bōst', meaning a push or lift, and 'dose' comes from the Greek 'dosis', meaning a gift or portion.
Usage
In immunology, a booster dose is used to re-expose the body's immune system to the antigen in a vaccine, thereby increasing or extending the effectiveness of the vaccine. Booster doses are often used in vaccination schedules, particularly for diseases such as tetanus, diphtheria, and polio.
Related Terms
- Vaccine: A biological preparation that provides active acquired immunity to a particular infectious disease.
- Antigen: A substance that induces an immune response in the body, especially the production of antibodies.
- Immunology: The branch of medicine and biology concerned with immunity.
- Tetanus: A serious bacterial infection that causes painful muscle spasms and can lead to death.
- Diphtheria: An infection caused by the bacterium Corynebacterium diphtheriae, which primarily infects the throat and upper airways.
- Polio: A highly infectious viral disease that primarily affects children and can cause permanent paralysis.
External links
- Medical encyclopedia article on Booster dose
- Wikipedia's article - Booster dose
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