recall dose
Học thuậtThân thiện
Definition
Noun An additional dose of a vaccine or medication administered after an initial dose to ensure or boost the effectiveness of the primary treatment. It serves as a reminder or reinforcement for the immune system or bodily system.
Usage
A "recall dose" is used in medical and public health contexts, specifically concerning immunization schedules and certain therapeutic regimens. It is given to confirm that the initial dose has produced the desired protective or therapeutic effect and to provide sustained immunity or efficacy.
Examples
- The pediatrician scheduled a recall dose of the measles vaccine for the child's 18-month checkup.
- After the initial antibiotic treatment, the doctor prescribed a recall dose to prevent a relapse of the infection.
- Public health campaigns emphasize the importance of the tetanus recall dose every ten years.
Advanced Usage
- The term is often used interchangeably with booster dose in vaccination contexts, though "booster" more explicitly implies enhancing a waning immune response, while "recall" can emphasize the act of re-administering to ensure initial efficacy.
- In pharmacology, a recall dose may be part of a "loading dose" regimen, where an initial high dose is followed by smaller recall doses to maintain therapeutic drug levels.
Variants and Related Words
- Booster (dose) (noun): An additional dose of a vaccine given to maintain or renew immunity.
- Reinforcing dose (noun): A synonym for a dose that strengthens the initial effect.
- Follow-up dose (noun): A dose given subsequent to an initial one.
Synonyms
- Booster shot
- Booster dose
- Reinforcing dose
Antonyms
- Initial dose
- Primary dose
- First dose
Related Phrases
- Vaccination schedule: The planned series of vaccinations, including primary and recall doses.
- Immunization booster: A dose intended to strengthen the immune system's memory and response.
Noun
- an additional dose that makes sure the first dose was effective