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  • Title: Acetone-treated pertussis vaccine--a potent and safer new pertussis vaccine.
    Author: Saran G.
    Journal: J Biol Stand; 1985 Oct; 13(4):315-20. PubMed ID: 4055808.
    Abstract:
    A vaccine was prepared from the growth of Bordetella pertussis by repeated treatment with acetone. The vaccine has been designated as acetone-treated pertussis vaccine (ATPV). A total of ten batches of ATPV were prepared, five each from B. pertussis strains 134 and 509. These strains are routinely employed at this Institute for the production of conventional whole-cell pertussis vaccine (WCPV) for blending in diphtheria-pertussis-tetanus vaccine. The mouse protective and histamine sensitizing activities of ATPV and WCPV were compared. The ATPV showed 1.5- to 2-fold higher potency than the WCPV. The histamine sensitizing activity of ATPV was much reduced compared with that of the WCPV. No appreciable difference was observed in the results of a mouse weight-gain tests between the ATPV and WCPV. The details of the preparation of ATPV have been described. Because of higher potency and reduced histamine sensitizing activity, the ATPV may prove more acceptable in immunization programmes against pertussis, even in countries where WCPV is unpopular due to its suspected reactogenicity.
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