acellular vaccine

noun

1. a vaccine that contains cellular material but not complete cells, specifically, antigenic or allergenic parts of cells.

Example Sentences

The team concluded that protection waned 27% per year after children's fifth dose of the acellular vaccine, which is given between ages 4 and 6.

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So an acellular vaccine, containing an inactivated version of the pertussis toxin that causes the disease as well as pieces of B. pertussis, replaced it.

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So officials switched to the current acellular vaccine, which has fewer side effects but does not provide immunity for as long.

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County public health officials said the recent cases may be focused in young adults because they are more susceptible to the illness because they received only the acellular vaccine.

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Klein said that it's an especially important issue because the number of Californians who have only ever received the short-lived acellular vaccine is growing, creating conditions for bigger and bigger outbreaks.

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