oa South African Medical Journal - Immunization of the rural Bantu against diphtheria in the Northern Transvaal - II. Active immunization of babies possessing maternallly-transmitted antitoxin
In Bantu babies of the Northern Transvaal active immunity against diphtheria is depressed when the circulating antitoxin titre is 0ï¿½1 unit or more per ml. of serum. This finding confirms that of Barr et al. in European children.
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