Table 3–
Risk of tuberculosis after infection in immune competent children (B)
Age at primary infection
Risk of pulmonary disease or mediastinal lymphatic disease %
Risk of meningeal or disseminated tuberculosis %
<12 months
30–40
10–20
12–24 months
10–20
2–5
2–4 yrs
5
0.5
5–10 yrs
2
<0.5
>10 yrs
10–20
<0.5