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  • 标题:Combined vaccination with BCG and toxoid antigens
  • 作者:J. Guld ; A. Ladefoged ; W. Ramhøj
  • 期刊名称:Bulletin of the World Health Organization
  • 印刷版ISSN:0042-9686
  • 出版年度:1978
  • 卷号:56
  • 期号:6
  • 页码:957-964
  • 语种:English
  • 出版社:World Health Organisation
  • 摘要:Simultaneous vaccination with different antigens has been widely practised in recent years. A notable example is percutaneous smallpox vaccination together with the intradermal injection of BCG. In contrast, the potentially even more time-saving procedure of combined vaccination (i.e., with vaccines mixed prior to injection) has been tried on only a very limited, experimental scale. Combined vaccination with a mixture of BCG and toxoids has not been suggested before. Such a mixed vaccine, with diphtheria and tetanus toxoids, was used in experiments in vitro and in vivo. No deleterious effect of toxoids on BCG was found in terms of reduction in oxygen uptake, germination rate, or counts of viable particles. The dose—response relationships (delayed hypersensitivity and skin reactivity) for BCG with and without added toxoids were compared in guinea pigs and no differences were found. The antibody response in guinea pigs to toxoids mixed with BCG or with aluminium hydroxide was measured following both primary and booster immunization. The primary response to toxoids was lower with BCG than with aluminium hydroxide. In booster immunization, the response was identical for the two mixtures. It appears that not only is a mixture of toxoids and BCG innocuous (given intradermally) but also BCG may have an adjuvant effect on the production of antibodies to the toxoids. Further experimentation is needed, first in the guinea pig model and later in pilot trials in man, to establish suitable dose levels. Furthermore, since BCG may act as an adjuvant both in producing antibodies and in the cell-mediated response to the toxoids, it would be desirable to clarify the possible interaction of these two immune responses in protection against disease. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (1.0M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 957 958 959 960 961 962 963 964
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