Figure 2
From: Evidence for waning of latency in a cohort study of tuberculosis
Notified bacillary tuberculosis among 10 year cohorts of men (A) and women (B) according to age of cohort. The data cover birth cohorts from 1889-1898 up to 1939-1948. The individual curves are labelled with the birth years of the cohorts. The data were obtained from the National Tuberculosis Registry and Statistics Norway.