oa South African Medical Journal - Tuberculous infection : its incidence in a group of urban Bantu babies in Lamontville, Durban

Volume 26, Issue 9
  • ISSN : 0256-9574
  • E-ISSN: 2078-5135



The results of the follow-through study of tuberculous infection in 143 urban Bantu infants during their first year of life are reported. The method of selection of these babies is set out. The tuberculin patch test was used and it is on the results obtained by this method that the incidence of infection is based. Details are given of the methods employed in the study. Of the 143 babies tested at least once during their first year of life, 35 (24.5%) were found to have been infected with tuberculosis. However, because of the follow-through nature of the investigation it has been possible to calculate the probable incidence of infection in the first year of life. This figure, 32.3 %, is likely to be a more accurate reflection of the true state of affairs. A longitudinal study, which allows for periodic testing of each individual at various age levels, is considered to be the method of choice in attempts to assess the incidence of tuberculous infection in children.

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