, Volume 6, Issue 1, pp 18-21

Acellular pertussis vaccine in adults: Adverse reactions and immune response

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Abstract

An acellular pertussis vaccine JNIH-6 containing pertussis toxin and filamentous hemagglutinin was evaluated in adult volunteers with regard to adverse reactions and antibody response. Adverse reactions were few and mild. A late onset local reaction was seen in 22 of the 47 vaccinees (47 %) as compared to none of the 20 subjects receiving a placebo, the carrier solution of aluminium phosphate of the vaccine. The reaction, which manifested itself on the 6th to 8th day after vaccination, consisted in all cases of an induration and/or swelling considered insignificant by the majority of the subjects. The reaction was only found in vaccinees receiving a first dose of vaccine and was independent of the prevaccination antitoxin level. The vaccine induced a highly satisfactory antibody response to both filamentous hemagglutinin and pertussis toxin.