Figures

Figure 1.　A model of transitions in tuberculosis¹⁴¹

Figure 2.　The clinical course of smear positive pulmonary tuberculosis in the absence of treatment³³

Figure 3.　The proportion of cases of tuberculosis who are sputum smear positive, according to gender.　British Columbia, 1968-89

Figure 4.　The ratio of gender among those referred for sputum smear examination in a number of low income countries⁹¹

Figure 5.　The ratio of gender among cases detected in suspects of pulmonary tuberculosis⁹¹

Figure 6.　The ratio of gender in those whose reaction to tuberculin skin tests was significant⁹²

Figure 7.　The probability of active tuberculosis in individuals previously infected, according to location of residence and in comparison with risk of development of disease following infection²⁷.　Black bars indicate general population, hatched bars residents of urban slum

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