acellular vaccine

American  

noun

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

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Example Sentences

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.

From Science Magazine

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.

From Science Magazine

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

From Los Angeles Times

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.

From Los Angeles Times

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.

From Los Angeles Times