| 释义 |
booster shot
noun[ C ]
mainly USuk /ˈbuː.stə ˌʃɒt/ us /ˈbuː.stɚ ˌʃɑːt/(UK usuallybooster)
an injection of a small amount of a substance, especially a vaccine, that is given to increase the effect of the same substance that was given some time before, to continue to protect a person from illness:
Children should be vaccinated at a year old, with a booster shot given around the time the child starts pre-school.
I had a tetanus booster shot one month before the trip.
However, immunity wanes within several years, and booster shots have not been routine.
One disadvantage is that the vaccine requires annual booster shots.
People up to the age of 64 can get booster shots from their doctor.
SMART Vocabulary: related words and phrases
Immunology & vaccination
active immunity
ANA
anti-vax
antibody
antigen
antigenic
antinuclear antibody
herd immunity
immune response
immunity
immunization
immunocompromised
immunosuppressed
inoculation
lymph
unimmunized
uninoculated
unvaccinated
vaccinated
vaccination
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