booster dose

noun

1. a supplementary injection of a vaccine given to maintain the immunization provided by an earlier dose

Example Sentences

Early reports flagged a type of heart swelling called myocarditis as a rare side effect of the mRNA vaccine, particularly for young men ages 18 to 25 after a booster dose.

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R21/Matrix-M, developed by the Jenner Institute at Oxford University, uses three doses administered four weeks apart and a booster dose given after one year.

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Eligible groups were offered two main doses as a minimum, plus a booster dose, with additional boosters for more vulnerable groups later on in the pandemic.

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And California officials require a booster dose for students entering seventh grade.

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Similarly, if you qualify but missed an earlier booster dose, you can have another jab this spring to catch up.

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